./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/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 64bit --witnessprinter.graph.data.programhash 09ae4d51b580facdb6980454a5f3a8886f91c21b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:29:00,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:29:00,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:29:00,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:29:00,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:29:00,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:29:00,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:29:00,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:29:00,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:29:00,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:29:00,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:29:00,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:29:00,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:29:00,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:29:00,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:29:00,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:29:00,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:29:00,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:29:00,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:29:00,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:29:00,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:29:00,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:29:00,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:29:00,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:29:00,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:29:00,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:29:00,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:29:00,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:29:00,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:29:00,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:29:00,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:29:00,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:29:00,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:29:00,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:29:00,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:29:00,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:29:00,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:29:00,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:29:00,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:29:00,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:29:00,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:29:00,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:29:00,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:29:00,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:29:00,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:29:00,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:29:00,623 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:29:00,623 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:29:00,623 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:29:00,623 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:29:00,624 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:29:00,624 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:29:00,624 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:29:00,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:29:00,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:29:00,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:29:00,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:29:00,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:29:00,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:29:00,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:29:00,626 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:29:00,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:29:00,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:29:00,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:29:00,627 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:29:00,628 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:29:00,628 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_4a05b617-8cab-4772-9018-a321781d9704/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09ae4d51b580facdb6980454a5f3a8886f91c21b [2019-12-07 17:29:00,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:29:00,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:29:00,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:29:00,752 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:29:00,752 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:29:00,753 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2019-12-07 17:29:00,794 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/data/d766d2190/467b906124ef4d2c9add3ef916296c8b/FLAG8e46c6791 [2019-12-07 17:29:01,143 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:29:01,144 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/sv-benchmarks/c/termination-15/cstrcpy_malloc.i [2019-12-07 17:29:01,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/data/d766d2190/467b906124ef4d2c9add3ef916296c8b/FLAG8e46c6791 [2019-12-07 17:29:01,159 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/data/d766d2190/467b906124ef4d2c9add3ef916296c8b [2019-12-07 17:29:01,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:29:01,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:29:01,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:01,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:29:01,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:29:01,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c38bbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01, skipping insertion in model container [2019-12-07 17:29:01,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:29:01,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:29:01,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:01,404 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:29:01,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:29:01,473 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:29:01,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01 WrapperNode [2019-12-07 17:29:01,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:29:01,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:01,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:29:01,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:29:01,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,503 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:29:01,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:29:01,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:29:01,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:29:01,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... [2019-12-07 17:29:01,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:29:01,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:29:01,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:29:01,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:29:01,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:29:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:29:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:29:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:29:01,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:29:01,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:29:01,698 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:29:01,698 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:29:01,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:01 BoogieIcfgContainer [2019-12-07 17:29:01,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:29:01,700 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:29:01,700 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:29:01,702 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:29:01,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:01,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:29:01" (1/3) ... [2019-12-07 17:29:01,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21a5dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:29:01, skipping insertion in model container [2019-12-07 17:29:01,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:01,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:29:01" (2/3) ... [2019-12-07 17:29:01,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21a5dfcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:29:01, skipping insertion in model container [2019-12-07 17:29:01,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:29:01,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:01" (3/3) ... [2019-12-07 17:29:01,705 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy_malloc.i [2019-12-07 17:29:01,733 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:29:01,733 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:29:01,733 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:29:01,734 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:29:01,734 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:29:01,734 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:29:01,734 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:29:01,734 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:29:01,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:29:01,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:29:01,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:01,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:01,762 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:29:01,762 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:29:01,762 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:29:01,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:29:01,763 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:29:01,763 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:29:01,763 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:29:01,763 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:29:01,763 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:29:01,768 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.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~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 9#L375true assume !(main_~length1~0 < 1); 13#L375-2true assume !(main_~length2~0 < 1); 5#L378-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.allocOnHeap(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;call main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.allocOnHeap(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset;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~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, 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; 7#L368-3true [2019-12-07 17:29:01,769 INFO L796 eck$LassoCheckResult]: Loop: 7#L368-3true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, 1 + cstrcpy_#t~post205.offset;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, 1 + cstrcpy_#t~post206.offset;call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1);call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); 14#L368-1true assume !!(0 != cstrcpy_#t~mem207);havoc cstrcpy_#t~mem207;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset; 7#L368-3true [2019-12-07 17:29:01,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:01,772 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-12-07 17:29:01,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:01,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310360080] [2019-12-07 17:29:01,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:01,889 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:01,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-12-07 17:29:01,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:01,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876030170] [2019-12-07 17:29:01,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:01,906 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:01,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:01,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-12-07 17:29:01,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:29:01,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850449021] [2019-12-07 17:29:01,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:29:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:29:01,957 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:29:02,263 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-12-07 17:29:02,354 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:29:02,354 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:29:02,355 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:29:02,355 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:29:02,355 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:29:02,355 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:02,355 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:29:02,355 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:29:02,355 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy_malloc.i_Iteration1_Lasso [2019-12-07 17:29:02,355 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:29:02,356 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:29:02,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,604 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-12-07 17:29:02,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:02,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:29:03,279 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-07 17:29:03,318 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:29:03,321 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:03,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:03,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:03,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:29:03,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:29:03,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:29:03,338 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:03,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:03,354 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:03,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:03,366 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:03,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:03,380 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:03,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:03,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 17:29:03,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:29:03,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:29:03,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:29:03,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:29:03,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:29:03,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:29:03,428 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:29:03,482 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2019-12-07 17:29:03,482 INFO L444 ModelExtractionUtils]: 35 out of 52 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4a05b617-8cab-4772-9018-a321781d9704/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:29:03,487 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:29:03,491 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:29:03,492 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:29:03,492 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc210.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2019-12-07 17:29:03,548 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-12-07 17:29:03,556 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:29:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:29:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:03,599 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:29:03,600 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:29:03,613 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:29:03,613 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:29:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:29:03,645 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 17:29:03,646 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-12-07 17:29:03,684 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 27 states and 30 transitions. Complement of second has 5 states. [2019-12-07 17:29:03,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:29:03,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:29:03,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-12-07 17:29:03,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 17:29:03,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:03,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 17:29:03,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:03,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 17:29:03,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:29:03,689 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-12-07 17:29:03,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:29:03,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-12-07 17:29:03,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:29:03,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:29:03,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:29:03,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:29:03,694 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:03,694 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:03,694 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:29:03,694 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:29:03,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:29:03,695 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:29:03,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:29:03,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:29:03 BoogieIcfgContainer [2019-12-07 17:29:03,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:29:03,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:29:03,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:29:03,699 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:29:03,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:29:01" (3/4) ... [2019-12-07 17:29:03,702 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:29:03,702 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:29:03,703 INFO L168 Benchmark]: Toolchain (without parser) took 2541.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 942.5 MB in the beginning and 867.8 MB in the end (delta: 74.6 MB). Peak memory consumption was 174.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:03,704 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:03,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:03,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:03,705 INFO L168 Benchmark]: Boogie Preprocessor took 16.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:03,706 INFO L168 Benchmark]: RCFGBuilder took 179.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:03,706 INFO L168 Benchmark]: BuchiAutomizer took 1999.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.8 MB in the end (delta: 187.5 MB). Peak memory consumption was 187.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:29:03,706 INFO L168 Benchmark]: Witness Printer took 3.29 ms. Allocated memory is still 1.1 GB. Free memory is still 867.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:29:03,708 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1999.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 867.8 MB in the end (delta: 187.5 MB). Peak memory consumption was 187.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.29 ms. Allocated memory is still 1.1 GB. Free memory is still 867.8 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[malloc(length1 * sizeof(char))] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 16 SDtfs, 15 SDslu, 6 SDs, 0 SdLazy, 1 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax100 hnf99 lsp97 ukn93 mio100 lsp46 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf194 smp92 tf100 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 2 VariablesLoop: 3 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...