./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.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_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 97e7f2a31b1436c24cde90c969263f12d5fe3e2e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:42:48,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:42:48,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:42:48,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:42:48,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:42:48,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:42:48,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:42:48,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:42:48,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:42:48,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:42:48,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:42:48,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:42:48,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:42:48,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:42:48,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:42:48,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:42:48,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:42:48,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:42:48,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:42:48,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:42:48,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:42:48,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:42:48,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:42:48,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:42:48,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:42:48,600 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:42:48,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:42:48,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:42:48,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:42:48,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:42:48,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:42:48,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:42:48,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:42:48,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:42:48,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:42:48,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:42:48,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:42:48,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:42:48,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:42:48,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:42:48,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:42:48,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:42:48,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:42:48,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:42:48,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:42:48,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:42:48,619 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:42:48,619 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:42:48,619 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:42:48,619 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:42:48,619 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:42:48,619 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:42:48,619 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:42:48,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:42:48,620 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:42:48,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:42:48,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:42:48,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:42:48,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:42:48,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:42:48,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:42:48,621 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:42:48,621 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:42:48,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:42:48,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:42:48,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:42:48,621 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:42:48,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:42:48,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:42:48,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:42:48,622 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:42:48,622 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:42:48,622 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_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 -> 97e7f2a31b1436c24cde90c969263f12d5fe3e2e [2019-12-07 17:42:48,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:42:48,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:42:48,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:42:48,734 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:42:48,735 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:42:48,735 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2019-12-07 17:42:48,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/data/820560bae/48d5c70d80d548e4a3c27e8e609fcc12/FLAG7bbabfb64 [2019-12-07 17:42:49,218 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:42:49,219 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/sv-benchmarks/c/termination-memory-alloca/cstrcpy-alloca-2.i [2019-12-07 17:42:49,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/data/820560bae/48d5c70d80d548e4a3c27e8e609fcc12/FLAG7bbabfb64 [2019-12-07 17:42:49,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/bin/uautomizer/data/820560bae/48d5c70d80d548e4a3c27e8e609fcc12 [2019-12-07 17:42:49,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:42:49,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:42:49,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:42:49,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:42:49,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:42:49,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b32d09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49, skipping insertion in model container [2019-12-07 17:42:49,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:42:49,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:42:49,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:42:49,491 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:42:49,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:42:49,544 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:42:49,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49 WrapperNode [2019-12-07 17:42:49,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:42:49,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:42:49,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:42:49,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:42:49,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:42:49,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:42:49,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:42:49,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:42:49,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... [2019-12-07 17:42:49,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:42:49,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:42:49,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:42:49,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:42:49,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:42:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:42:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:42:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:42:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:42:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:42:49,769 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:42:49,769 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:42:49,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:49 BoogieIcfgContainer [2019-12-07 17:42:49,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:42:49,771 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:42:49,771 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:42:49,773 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:42:49,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:42:49,773 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:42:49" (1/3) ... [2019-12-07 17:42:49,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e3b04e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:42:49, skipping insertion in model container [2019-12-07 17:42:49,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:42:49,774 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:49" (2/3) ... [2019-12-07 17:42:49,774 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e3b04e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:42:49, skipping insertion in model container [2019-12-07 17:42:49,775 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:42:49,775 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:49" (3/3) ... [2019-12-07 17:42:49,776 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-2.i [2019-12-07 17:42:49,804 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:42:49,805 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:42:49,805 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:42:49,805 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:42:49,805 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:42:49,805 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:42:49,805 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:42:49,805 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:42:49,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:42:49,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:42:49,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:42:49,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:42:49,832 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:42:49,832 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:42:49,832 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:42:49,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-12-07 17:42:49,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 17:42:49,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:42:49,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:42:49,833 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-12-07 17:42:49,833 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 17:42:49,838 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#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~ret9.base, main_#t~ret9.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; 7#L558true assume !(main_~length1~0 < 1); 10#L558-2true assume !(main_~length2~0 < 1); 13#L561-1true 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;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; 4#L551-3true [2019-12-07 17:42:49,838 INFO L796 eck$LassoCheckResult]: Loop: 4#L551-3true 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); 12#L551-1true 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; 4#L551-3true [2019-12-07 17:42:49,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:49,842 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-12-07 17:42:49,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:49,848 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101244129] [2019-12-07 17:42:49,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:49,947 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:49,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:49,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2019-12-07 17:42:49,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:49,948 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48034340] [2019-12-07 17:42:49,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:49,963 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:49,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:49,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2019-12-07 17:42:49,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:49,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011036321] [2019-12-07 17:42:49,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:42:50,008 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:42:50,277 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-12-07 17:42:50,366 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:42:50,366 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:42:50,366 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:42:50,367 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:42:50,367 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:42:50,367 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:42:50,367 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:42:50,367 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:42:50,367 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-2.i_Iteration1_Lasso [2019-12-07 17:42:50,367 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:42:50,367 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:42:50,387 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 17:42:50,391 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 17:42:50,393 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 17:42:50,394 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 17:42:50,396 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 17:42:50,606 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2019-12-07 17:42:50,707 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 17:42:50,709 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 17:42:50,711 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 17:42:50,712 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 17:42:50,714 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 17:42:50,716 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 17:42:50,718 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 17:42:50,720 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 17:42:50,721 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 17:42:50,722 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 17:42:50,724 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 17:42:50,725 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 17:42:50,727 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 17:42:51,095 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:42:51,098 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,101 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 17:42:51,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:51,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:51,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:51,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,111 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 17:42:51,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:51,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:51,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:51,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,119 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 17:42:51,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:51,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:51,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:51,122 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,127 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 17:42:51,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:51,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:42:51,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:51,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,135 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 17:42:51,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,147 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 17:42:51,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,157 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 17:42:51,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:42:51,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,158 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:42:51,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,159 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 17:42:51,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:42:51,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 17:42:51,164 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 17:42:51,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 [2019-12-07 17:42:51,188 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 17:42:51,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 [2019-12-07 17:42:51,207 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 17:42:51,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,216 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 [2019-12-07 17:42:51,222 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 17:42:51,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,232 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 [2019-12-07 17:42:51,236 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 17:42:51,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:42:51,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:42:51,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:42:51,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:42:51,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:42:51,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:42:51,267 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:42:51,325 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2019-12-07 17:42:51,325 INFO L444 ModelExtractionUtils]: 10 out of 49 variables were initially zero. Simplification set additionally 36 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ca76b5b-74d6-4f33-ab14-6629c3d37c3d/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 [2019-12-07 17:42:51,330 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:42:51,333 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:42:51,333 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:42:51,334 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1, ULTIMATE.start_cstrcpy_~dst~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcpy_~src~0.base)_1 - 1*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [] [2019-12-07 17:42:51,374 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2019-12-07 17:42:51,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:42:51,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:51,429 INFO L264 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 22 conjunts are in the unsatisfiable core [2019-12-07 17:42:51,430 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:42:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:51,445 WARN L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 17 conjunts are in the unsatisfiable core [2019-12-07 17:42:51,446 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:42:51,466 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 17:42:51,477 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 17:42:51,478 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2019-12-07 17:42:51,519 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 17:42:51,520 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 17:42:51,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:42:51,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2019-12-07 17:42:51,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 17:42:51,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:42:51,524 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 17:42:51,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:42:51,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 17:42:51,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:42:51,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 30 transitions. [2019-12-07 17:42:51,527 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:42:51,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-12-07 17:42:51,530 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:42:51,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:42:51,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:42:51,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:42:51,530 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:51,530 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:51,531 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:51,531 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:42:51,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:42:51,531 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:42:51,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:42:51,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:42:51 BoogieIcfgContainer [2019-12-07 17:42:51,535 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:42:51,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:42:51,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:42:51,535 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:42:51,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:49" (3/4) ... [2019-12-07 17:42:51,538 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:42:51,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:42:51,539 INFO L168 Benchmark]: Toolchain (without parser) took 2299.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 941.9 MB in the beginning and 916.2 MB in the end (delta: 25.7 MB). Peak memory consumption was 111.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:51,539 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:42:51,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:51,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.81 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:51,541 INFO L168 Benchmark]: Boogie Preprocessor took 16.81 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:51,541 INFO L168 Benchmark]: RCFGBuilder took 180.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:51,542 INFO L168 Benchmark]: BuchiAutomizer took 1764.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 916.2 MB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:42:51,542 INFO L168 Benchmark]: Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory is still 916.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:42:51,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 304.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -130.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.81 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.81 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: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 180.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1764.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 916.2 MB in the end (delta: 131.8 MB). Peak memory consumption was 131.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.90 ms. Allocated memory is still 1.1 GB. Free memory is still 916.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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[src] + -1 * dst and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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: inital203 mio100 ax108 hnf99 lsp89 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 2 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...