./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/add_first_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/add_first_alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/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 b80c314f9b813935201d5b334c75f7a685c1e89b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:42:49,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:42:49,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:42:49,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:42:49,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:42:49,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:42:49,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:42:49,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:42:49,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:42:49,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:42:49,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:42:49,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:42:49,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:42:49,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:42:49,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:42:49,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:42:49,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:42:49,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:42:49,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:42:49,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:42:49,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:42:49,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:42:49,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:42:49,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:42:49,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:42:49,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:42:49,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:42:49,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:42:49,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:42:49,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:42:49,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:42:49,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:42:49,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:42:49,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:42:49,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:42:49,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:42:49,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:42:49,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:42:49,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:42:49,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:42:49,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:42:49,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 23:42:49,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:42:49,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:42:49,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:42:49,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:42:49,845 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:42:49,845 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 23:42:49,845 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 23:42:49,846 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 23:42:49,846 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 23:42:49,846 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 23:42:49,846 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 23:42:49,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:42:49,847 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:42:49,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:42:49,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:42:49,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 23:42:49,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 23:42:49,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 23:42:49,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:42:49,848 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 23:42:49,848 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:42:49,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 23:42:49,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:42:49,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:42:49,849 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 23:42:49,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:42:49,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:42:49,850 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 23:42:49,851 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 23:42:49,851 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_d35b2916-2fe9-4d7e-9264-1e656b52d30e/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 -> b80c314f9b813935201d5b334c75f7a685c1e89b [2019-11-15 23:42:49,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:42:49,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:42:49,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:42:49,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:42:49,893 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:42:49,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/../../sv-benchmarks/c/termination-15/add_first_alloca.i [2019-11-15 23:42:49,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/data/f838fcd8e/5f9c00ae23f44023848217381e967ef6/FLAGe45606ef0 [2019-11-15 23:42:50,419 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:42:50,420 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/sv-benchmarks/c/termination-15/add_first_alloca.i [2019-11-15 23:42:50,429 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/data/f838fcd8e/5f9c00ae23f44023848217381e967ef6/FLAGe45606ef0 [2019-11-15 23:42:50,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/data/f838fcd8e/5f9c00ae23f44023848217381e967ef6 [2019-11-15 23:42:50,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:42:50,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:42:50,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:42:50,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:42:50,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:42:50,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:42:50" (1/1) ... [2019-11-15 23:42:50,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1250712a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:50, skipping insertion in model container [2019-11-15 23:42:50,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:42:50" (1/1) ... [2019-11-15 23:42:50,466 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:42:50,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:42:50,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:42:50,963 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:42:51,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:42:51,089 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:42:51,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51 WrapperNode [2019-11-15 23:42:51,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:42:51,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:42:51,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:42:51,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:42:51,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:42:51,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:42:51,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:42:51,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:42:51,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... [2019-11-15 23:42:51,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:42:51,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:42:51,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:42:51,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:42:51,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d35b2916-2fe9-4d7e-9264-1e656b52d30e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:42:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 23:42:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 23:42:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 23:42:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 23:42:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:42:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:42:51,415 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:42:51,415 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 23:42:51,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:42:51 BoogieIcfgContainer [2019-11-15 23:42:51,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:42:51,417 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 23:42:51,417 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 23:42:51,420 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 23:42:51,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:42:51,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 11:42:50" (1/3) ... [2019-11-15 23:42:51,423 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c81add7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:42:51, skipping insertion in model container [2019-11-15 23:42:51,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:42:51,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:42:51" (2/3) ... [2019-11-15 23:42:51,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c81add7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:42:51, skipping insertion in model container [2019-11-15 23:42:51,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:42:51,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:42:51" (3/3) ... [2019-11-15 23:42:51,425 INFO L371 chiAutomizerObserver]: Analyzing ICFG add_first_alloca.i [2019-11-15 23:42:51,489 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 23:42:51,489 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 23:42:51,489 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 23:42:51,489 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:42:51,489 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:42:51,490 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 23:42:51,490 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:42:51,490 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 23:42:51,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 23:42:51,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 23:42:51,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:42:51,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:42:51,536 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-15 23:42:51,536 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 23:42:51,537 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 23:42:51,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 23:42:51,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-15 23:42:51,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:42:51,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:42:51,539 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-15 23:42:51,539 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 23:42:51,547 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2019-11-15 23:42:51,548 INFO L793 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem208;havoc main_#t~mem207;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem210;havoc main_#t~mem209;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2019-11-15 23:42:51,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:42:51,555 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-15 23:42:51,561 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:42:51,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888666668] [2019-11-15 23:42:51,562 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:42:51,562 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:42:51,562 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:42:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:42:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:42:51,667 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:42:51,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:42:51,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2019-11-15 23:42:51,669 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:42:51,669 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395134856] [2019-11-15 23:42:51,669 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:42:51,669 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:42:51,669 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:42:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:42:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:42:51,695 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:42:51,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:42:51,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2019-11-15 23:42:51,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:42:51,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714982921] [2019-11-15 23:42:51,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:42:51,697 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:42:51,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:42:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:42:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:42:51,762 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:42:52,020 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-11-15 23:42:52,083 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:42:52,083 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:42:52,084 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:42:52,084 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:42:52,084 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:42:52,084 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:42:52,084 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:42:52,084 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:42:52,085 INFO L131 ssoRankerPreferences]: Filename of dumped script: add_first_alloca.i_Iteration1_Lasso [2019-11-15 23:42:52,085 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:42:52,085 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:42:52,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 23:42:52,316 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2019-11-15 23:42:52,458 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-15 23:42:52,864 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:42:52,870 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:42:52,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,874 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,875 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,876 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,876 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,876 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,879 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,879 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,883 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,891 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,892 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,892 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,892 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,893 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,893 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,894 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,904 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,907 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,907 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,908 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,909 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,910 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,910 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,913 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,916 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,916 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,917 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,917 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,919 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:42:52,920 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:42:52,926 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,932 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,933 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,933 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,934 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,934 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,934 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,935 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,935 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,940 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,941 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,941 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,942 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,942 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,942 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,943 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,944 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,947 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,947 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,948 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,948 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,948 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,950 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,951 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,956 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,956 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,956 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,957 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,957 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,958 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,958 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,963 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,963 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,964 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,964 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,971 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:42:52,971 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:42:52,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,987 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,987 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,987 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,988 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,988 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,988 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,989 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,991 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,991 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,992 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,992 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,992 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:52,995 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:52,995 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:52,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:52,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:52,998 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:52,998 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:42:52,999 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:52,999 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:52,999 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:53,000 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:42:53,000 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:42:53,001 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:42:53,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 23:42:53,003 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:42:53,003 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:42:53,003 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:42:53,003 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:42:53,009 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 23:42:53,009 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 23:42:53,088 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:42:53,164 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 23:42:53,164 INFO L444 ModelExtractionUtils]: 20 out of 25 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-11-15 23:42:53,166 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:42:53,168 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 23:42:53,169 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:42:53,169 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset) = 1*ULTIMATE.start_main_~a~0.offset + 2 Supporting invariants [] [2019-11-15 23:42:53,185 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-15 23:42:53,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:42:53,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:42:53,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:42:53,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:42:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:42:53,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:42:53,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:42:53,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:42:53,275 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-15 23:42:53,276 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-15 23:42:53,319 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 5 states. [2019-11-15 23:42:53,320 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 [2019-11-15 23:42:53,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 23:42:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-11-15 23:42:53,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-15 23:42:53,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:42:53,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-15 23:42:53,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:42:53,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-15 23:42:53,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:42:53,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-11-15 23:42:53,334 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:42:53,337 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-15 23:42:53,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:42:53,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:42:53,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:42:53,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:42:53,340 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:42:53,344 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:42:53,344 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:42:53,345 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 23:42:53,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:42:53,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:42:53,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 23:42:53,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 11:42:53 BoogieIcfgContainer [2019-11-15 23:42:53,353 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 23:42:53,353 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:42:53,353 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:42:53,354 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:42:53,354 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:42:51" (3/4) ... [2019-11-15 23:42:53,368 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:42:53,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:42:53,371 INFO L168 Benchmark]: Toolchain (without parser) took 2924.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 946.1 MB in the beginning and 939.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:42:53,372 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:42:53,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:42:53,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:42:53,375 INFO L168 Benchmark]: Boogie Preprocessor took 22.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:42:53,375 INFO L168 Benchmark]: RCFGBuilder took 256.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:42:53,376 INFO L168 Benchmark]: BuchiAutomizer took 1935.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.9 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:42:53,377 INFO L168 Benchmark]: Witness Printer took 15.68 ms. Allocated memory is still 1.2 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:42:53,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 643.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -194.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1935.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.9 MB in the end (delta: 178.2 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. * Witness Printer took 15.68 ms. Allocated memory is still 1.2 GB. Free memory is still 939.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 a + 2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 13 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital135 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp54 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...