./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83897956e392064e8b9522b11a8bf4c25fb2a6e3 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:58:20,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:58:20,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:58:20,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:58:20,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:58:20,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:58:20,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:58:20,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:58:20,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:58:20,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:58:20,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:58:20,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:58:20,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:58:20,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:58:20,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:58:20,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:58:20,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:58:20,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:58:20,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:58:20,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:58:20,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:58:20,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:58:20,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:58:20,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:58:20,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:58:20,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:58:20,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:58:20,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:58:20,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:58:20,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:58:20,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:58:20,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:58:20,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:58:20,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:58:20,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:58:20,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:58:20,530 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:58:20,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:58:20,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:58:20,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:58:20,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:58:20,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:58:20,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:58:20,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:58:20,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:58:20,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:58:20,548 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:58:20,548 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:58:20,548 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:58:20,548 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:58:20,548 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:58:20,549 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:58:20,549 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:58:20,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:58:20,549 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:58:20,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:58:20,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:58:20,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:58:20,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:58:20,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:58:20,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:58:20,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:58:20,551 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:58:20,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:58:20,551 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:58:20,551 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:58:20,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:58:20,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:58:20,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:58:20,552 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:58:20,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:58:20,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:58:20,553 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:58:20,553 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:58:20,553 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83897956e392064e8b9522b11a8bf4c25fb2a6e3 [2019-11-25 08:58:20,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:58:20,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:58:20,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:58:20,701 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:58:20,703 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:58:20,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-25 08:58:20,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/data/4e8997e68/13862629fd264e15be7e40d116f3fb79/FLAG0b0d31347 [2019-11-25 08:58:21,208 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:58:21,209 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-25 08:58:21,223 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/data/4e8997e68/13862629fd264e15be7e40d116f3fb79/FLAG0b0d31347 [2019-11-25 08:58:21,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/data/4e8997e68/13862629fd264e15be7e40d116f3fb79 [2019-11-25 08:58:21,585 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:58:21,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:58:21,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:21,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:58:21,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:58:21,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:21" (1/1) ... [2019-11-25 08:58:21,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6634e23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:21, skipping insertion in model container [2019-11-25 08:58:21,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:58:21" (1/1) ... [2019-11-25 08:58:21,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:58:21,647 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:58:22,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:22,041 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:58:22,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:58:22,140 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:58:22,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22 WrapperNode [2019-11-25 08:58:22,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:58:22,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:22,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:58:22,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:58:22,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:58:22,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:58:22,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:58:22,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:58:22,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,224 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... [2019-11-25 08:58:22,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:58:22,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:58:22,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:58:22,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:58:22,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:58:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:58:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:58:22,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:58:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:58:22,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:58:22,603 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:58:22,603 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-25 08:58:22,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:22 BoogieIcfgContainer [2019-11-25 08:58:22,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:58:22,605 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:58:22,605 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:58:22,608 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:58:22,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:22,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:58:21" (1/3) ... [2019-11-25 08:58:22,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b0d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:22, skipping insertion in model container [2019-11-25 08:58:22,610 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:22,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:58:22" (2/3) ... [2019-11-25 08:58:22,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73b0d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:58:22, skipping insertion in model container [2019-11-25 08:58:22,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:58:22,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:22" (3/3) ... [2019-11-25 08:58:22,612 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2019-11-25 08:58:22,652 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:58:22,652 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:58:22,653 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:58:22,653 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:58:22,653 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:58:22,653 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:58:22,653 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:58:22,653 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:58:22,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-25 08:58:22,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:58:22,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:22,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:22,693 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:58:22,693 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:22,693 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:58:22,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-25 08:58:22,695 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-25 08:58:22,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:22,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:22,696 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-25 08:58:22,696 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:22,703 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 4#L525true assume !(main_~length1~0 < 1); 6#L525-2true assume !(main_~length2~0 < 1); 17#L528-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 9#L535-3true [2019-11-25 08:58:22,703 INFO L796 eck$LassoCheckResult]: Loop: 9#L535-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 7#L535-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 9#L535-3true [2019-11-25 08:58:22,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,709 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-25 08:58:22,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:22,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943403867] [2019-11-25 08:58:22,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,823 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-25 08:58:22,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:22,825 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688529264] [2019-11-25 08:58:22,825 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,844 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:22,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:22,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2019-11-25 08:58:22,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:22,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518206822] [2019-11-25 08:58:22,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:22,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:23,207 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-25 08:58:23,293 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:23,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:23,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:23,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:23,295 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:23,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:23,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:23,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:23,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2019-11-25 08:58:23,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:23,296 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:23,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,504 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-25 08:58:23,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:23,904 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:23,909 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:23,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:23,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:23,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:23,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:23,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:23,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:23,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:23,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:23,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:23,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:23,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:23,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:23,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:23,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:23,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:23,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:23,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:23,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:23,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:23,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:23,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:23,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:23,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:23,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:23,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:23,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:23,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:23,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:23,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:23,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:23,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:23,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:23,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:23,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:23,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:24,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,030 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:24,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:24,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:24,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:24,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:24,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,083 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:24,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:24,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:24,103 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:24,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:24,150 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,162 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,162 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:24,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:24,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:24,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:24,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:24,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:24,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:24,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:24,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:24,401 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-11-25 08:58:24,401 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:24,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:58:24,411 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:58:24,412 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:24,412 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2019-11-25 08:58:24,433 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-25 08:58:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:24,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:58:24,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:24,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:58:24,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:24,525 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-25 08:58:24,527 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-25 08:58:24,620 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 36 states and 47 transitions. Complement of second has 7 states. [2019-11-25 08:58:24,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:58:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-25 08:58:24,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-25 08:58:24,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:24,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-25 08:58:24,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:24,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-25 08:58:24,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:24,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-25 08:58:24,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:24,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 11 states and 15 transitions. [2019-11-25 08:58:24,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-25 08:58:24,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-25 08:58:24,649 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2019-11-25 08:58:24,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:58:24,650 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-25 08:58:24,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2019-11-25 08:58:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-25 08:58:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-25 08:58:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-25 08:58:24,677 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-25 08:58:24,677 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-25 08:58:24,678 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:58:24,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-11-25 08:58:24,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:24,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:24,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:24,680 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:24,680 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:24,681 INFO L794 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 127#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 128#L525 assume !(main_~length1~0 < 1); 132#L525-2 assume !(main_~length2~0 < 1); 133#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 123#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 124#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 129#L518-3 [2019-11-25 08:58:24,681 INFO L796 eck$LassoCheckResult]: Loop: 129#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 130#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4; 129#L518-3 [2019-11-25 08:58:24,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:24,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2019-11-25 08:58:24,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:24,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692590638] [2019-11-25 08:58:24,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:24,751 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:24,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:24,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2019-11-25 08:58:24,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:24,752 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638306577] [2019-11-25 08:58:24,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:24,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:24,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:24,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2019-11-25 08:58:24,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:24,768 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875299077] [2019-11-25 08:58:24,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:24,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:24,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875299077] [2019-11-25 08:58:24,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:58:24,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-25 08:58:24,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846589850] [2019-11-25 08:58:25,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:58:25,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-25 08:58:25,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-25 08:58:25,047 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-11-25 08:58:25,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:58:25,149 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-25 08:58:25,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-25 08:58:25,150 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-25 08:58:25,151 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:25,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2019-11-25 08:58:25,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-25 08:58:25,151 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-25 08:58:25,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-25 08:58:25,152 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:58:25,152 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-25 08:58:25,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-25 08:58:25,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-25 08:58:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-25 08:58:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-25 08:58:25,154 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-25 08:58:25,154 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-25 08:58:25,154 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:58:25,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-25 08:58:25,154 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:58:25,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:58:25,154 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:58:25,155 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:58:25,155 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:58:25,155 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 167#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 168#L525 assume !(main_~length1~0 < 1); 176#L525-2 assume !(main_~length2~0 < 1); 177#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 169#L535-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 170#L535-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 171#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 172#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 174#L518-3 [2019-11-25 08:58:25,155 INFO L796 eck$LassoCheckResult]: Loop: 174#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 175#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4; 174#L518-3 [2019-11-25 08:58:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:25,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2019-11-25 08:58:25,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:25,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874846437] [2019-11-25 08:58:25,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:25,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:25,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:25,211 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2019-11-25 08:58:25,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:25,211 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868591500] [2019-11-25 08:58:25,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:25,232 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:25,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:25,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2019-11-25 08:58:25,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:58:25,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676962108] [2019-11-25 08:58:25,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:58:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:58:25,293 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:58:25,811 WARN L192 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2019-11-25 08:58:25,962 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-25 08:58:25,969 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:58:25,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:58:25,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:58:25,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:58:25,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:58:25,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:25,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:58:25,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:58:25,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2019-11-25 08:58:25,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:58:25,970 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:58:25,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:25,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,330 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-11-25 08:58:26,456 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-25 08:58:26,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:58:26,693 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-11-25 08:58:27,081 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:58:27,081 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,087 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,097 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,110 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,161 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:27,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:27,176 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:27,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,236 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,249 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,251 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:27,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:27,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,284 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:58:27,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:58:27,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:58:27,292 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 31 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:27,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:27,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 32 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:58:27,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:58:27,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:58:27,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:58:27,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:58:27,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:58:27,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:58:27,345 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:58:27,397 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-25 08:58:27,397 INFO L444 ModelExtractionUtils]: 42 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df941bb7-5cd2-47c7-8adb-84d4253e0a80/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:58:27,402 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:58:27,406 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-25 08:58:27,406 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:58:27,406 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2, ULTIMATE.start_cstrcpy_~dst~0.offset) = 3*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2 - 2*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [3*ULTIMATE.start_cstrcpy_~src~0.offset - 2*ULTIMATE.start_cstrcpy_~dst~0.offset >= 0] [2019-11-25 08:58:27,481 INFO L297 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2019-11-25 08:58:27,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-25 08:58:27,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:58:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:27,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-25 08:58:27,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:58:27,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-25 08:58:27,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:58:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:58:27,650 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-25 08:58:27,650 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-25 08:58:27,696 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2019-11-25 08:58:27,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:58:27,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:58:27,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-25 08:58:27,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-25 08:58:27,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:27,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-25 08:58:27,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:27,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-25 08:58:27,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:58:27,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-25 08:58:27,698 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:58:27,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-25 08:58:27,698 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:58:27,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:58:27,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:58:27,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:58:27,699 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:27,699 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:27,699 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:58:27,699 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-25 08:58:27,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:58:27,699 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:58:27,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:58:27,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:58:27 BoogieIcfgContainer [2019-11-25 08:58:27,703 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:58:27,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:58:27,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:58:27,704 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:58:27,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:58:22" (3/4) ... [2019-11-25 08:58:27,706 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:58:27,707 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:58:27,708 INFO L168 Benchmark]: Toolchain (without parser) took 6121.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 940.7 MB in the beginning and 973.6 MB in the end (delta: -32.9 MB). Peak memory consumption was 159.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:27,708 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:27,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:27,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.08 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:27,710 INFO L168 Benchmark]: Boogie Preprocessor took 48.95 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:27,710 INFO L168 Benchmark]: RCFGBuilder took 357.30 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:27,711 INFO L168 Benchmark]: BuchiAutomizer took 5098.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 973.6 MB in the end (delta: 124.8 MB). Peak memory consumption was 173.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:58:27,711 INFO L168 Benchmark]: Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory is still 973.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:58:27,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 553.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -189.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.08 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.95 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 357.30 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5098.48 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 973.6 MB in the end (delta: 124.8 MB). Peak memory consumption was 173.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.14 ms. Allocated memory is still 1.2 GB. Free memory is still 973.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -2 * dst and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 42 SDslu, 40 SDs, 0 SdLazy, 46 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax111 hnf98 lsp84 ukn81 mio100 lsp55 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...