./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b853b7a72b17d5b4054a16a7ba98c728e55c23b .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:13,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:13,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:13,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:13,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:13,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:13,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:13,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:13,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:13,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:13,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:13,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:13,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:13,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:13,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:13,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:13,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:13,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:13,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:13,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:13,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:13,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:13,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:13,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:13,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:13,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:13,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:13,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:13,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:13,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:13,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:13,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:13,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:13,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:13,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:13,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:13,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:13,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:13,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:13,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:13,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:13,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:13,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:13,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:13,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:13,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:13,851 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:13,851 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:13,851 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:13,851 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:13,851 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:13,852 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:13,852 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:13,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:13,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:13,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:13,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:13,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:13,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:13,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:13,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:13,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:13,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:13,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:13,856 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:13,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:13,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:13,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:13,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:13,857 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:13,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:13,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:13,858 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:13,859 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:13,859 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/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2019-10-22 08:54:13,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:13,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:13,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:13,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:13,920 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:13,920 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/id_trans.i [2019-10-22 08:54:13,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/data/1661a1812/d8c297466ea44c2e877abe9ad765cd32/FLAG8e735cfb8 [2019-10-22 08:54:14,344 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:14,345 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/sv-benchmarks/c/loop-invgen/id_trans.i [2019-10-22 08:54:14,349 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/data/1661a1812/d8c297466ea44c2e877abe9ad765cd32/FLAG8e735cfb8 [2019-10-22 08:54:14,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/data/1661a1812/d8c297466ea44c2e877abe9ad765cd32 [2019-10-22 08:54:14,363 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:14,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:14,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:14,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:14,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:14,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d303d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14, skipping insertion in model container [2019-10-22 08:54:14,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,378 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:14,388 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:14,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:14,501 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:14,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:14,588 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:14,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14 WrapperNode [2019-10-22 08:54:14,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:14,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:14,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:14,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:14,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,617 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:14,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:14,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:14,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:14,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... [2019-10-22 08:54:14,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:14,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:14,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:14,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:14,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/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 [2019-10-22 08:54:14,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:14,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:14,843 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:14,843 INFO L284 CfgBuilder]: Removed 13 assume(true) statements. [2019-10-22 08:54:14,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:14 BoogieIcfgContainer [2019-10-22 08:54:14,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:14,845 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:14,845 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:14,849 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:14,849 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:14,850 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:14" (1/3) ... [2019-10-22 08:54:14,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1365b54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:14, skipping insertion in model container [2019-10-22 08:54:14,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:14,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:14" (2/3) ... [2019-10-22 08:54:14,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1365b54d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:14, skipping insertion in model container [2019-10-22 08:54:14,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:14,853 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:14" (3/3) ... [2019-10-22 08:54:14,855 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2019-10-22 08:54:14,972 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:14,972 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:14,972 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:14,972 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:14,973 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:14,973 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:14,973 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:14,973 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:14,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-10-22 08:54:15,011 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-10-22 08:54:15,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:15,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:15,019 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:54:15,020 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,020 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:15,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2019-10-22 08:54:15,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2019-10-22 08:54:15,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:15,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:15,022 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:54:15,022 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:54:15,030 INFO L791 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~post4, main_~idBitLength~0, main_~material_length~0, main_~nlen~0, main_~j~0, main_~k~0;havoc main_~idBitLength~0;havoc main_~material_length~0;havoc main_~nlen~0;havoc main_~j~0;havoc main_~k~0;main_~nlen~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~idBitLength~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~material_length~0 := main_#t~nondet3;havoc main_#t~nondet3; 5#L16true assume !!(main_~nlen~0 == (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 32 then 1 + main_~idBitLength~0 / 32 else main_~idBitLength~0 / 32));main_~j~0 := 0; 3#L17-2true [2019-10-22 08:54:15,030 INFO L793 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~j~0 < (if main_~idBitLength~0 < 0 && 0 != main_~idBitLength~0 % 8 then 1 + main_~idBitLength~0 / 8 else main_~idBitLength~0 / 8) && main_~j~0 < main_~material_length~0);__VERIFIER_assert_#in~cond := (if 0 <= main_~j~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 20#L4true assume !(0 == __VERIFIER_assert_~cond); 14#L4-2true __VERIFIER_assert_#in~cond := (if main_~j~0 < main_~material_length~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 11#L4-3true assume !(0 == __VERIFIER_assert_~cond); 9#L4-5true __VERIFIER_assert_#in~cond := (if 0 <= (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 8#L4-6true assume !(0 == __VERIFIER_assert_~cond); 7#L4-8true __VERIFIER_assert_#in~cond := (if (if main_~j~0 < 0 && 0 != main_~j~0 % 4 then 1 + main_~j~0 / 4 else main_~j~0 / 4) < main_~nlen~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 6#L4-9true assume !(0 == __VERIFIER_assert_~cond); 19#L4-11true main_#t~post4 := main_~j~0;main_~j~0 := 1 + main_#t~post4;havoc main_#t~post4; 3#L17-2true [2019-10-22 08:54:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,034 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-10-22 08:54:15,040 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,040 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915814036] [2019-10-22 08:54:15,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,040 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,127 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:15,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1041340230, now seen corresponding path program 1 times [2019-10-22 08:54:15,129 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,129 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250429673] [2019-10-22 08:54:15,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,129 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,209 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:15,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:15,212 INFO L82 PathProgramCache]: Analyzing trace with hash 603190901, now seen corresponding path program 1 times [2019-10-22 08:54:15,214 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:15,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382948667] [2019-10-22 08:54:15,215 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,215 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:15,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:15,284 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:15,447 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-10-22 08:54:16,586 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 22 [2019-10-22 08:54:16,598 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:16,598 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:16,598 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:16,599 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:16,599 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:54:16,599 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:16,599 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:16,599 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:16,600 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2019-10-22 08:54:16,600 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:16,600 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:16,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:16,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:16,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:16,721 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:16,722 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:54:16,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:54:16,750 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_374e8266-2724-4a95-be6e-54ffd6cd2451/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) [2019-10-22 08:54:16,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:54:16,769 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:16,809 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:54:16,811 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:16,812 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:16,812 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:16,812 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:16,812 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:54:16,812 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:16,812 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:16,812 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:16,812 INFO L131 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2019-10-22 08:54:16,813 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:16,813 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:16,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:16,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:16,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:16,898 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:16,902 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:54:16,903 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 [2019-10-22 08:54:16,905 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:16,905 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:16,906 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:16,906 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:16,906 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:16,908 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:16,908 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:16,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 08:54:16,913 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 [2019-10-22 08:54:16,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:16,914 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:16,915 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:16,915 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:16,915 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:16,916 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:16,916 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:16,922 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:54:16,931 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:54:16,931 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-10-22 08:54:16,933 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:54:16,933 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:54:16,933 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:54:16,934 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~material_length~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~material_length~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-10-22 08:54:16,936 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:54:16,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:16,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:16,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:54:16,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:17,008 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 [2019-10-22 08:54:17,010 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2019-10-22 08:54:17,057 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 56 states and 70 transitions. Complement of second has 7 states. [2019-10-22 08:54:17,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:54:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:54:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 49 transitions. [2019-10-22 08:54:17,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 2 letters. Loop has 9 letters. [2019-10-22 08:54:17,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:17,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 11 letters. Loop has 9 letters. [2019-10-22 08:54:17,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:17,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 49 transitions. Stem has 2 letters. Loop has 18 letters. [2019-10-22 08:54:17,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:17,064 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 70 transitions. [2019-10-22 08:54:17,067 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:17,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 0 states and 0 transitions. [2019-10-22 08:54:17,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:54:17,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:54:17,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:54:17,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:17,072 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:17,072 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:17,072 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:17,072 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:17,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:17,073 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:17,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:54:17,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:54:17 BoogieIcfgContainer [2019-10-22 08:54:17,079 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:54:17,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:17,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:17,080 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:17,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:14" (3/4) ... [2019-10-22 08:54:17,083 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:17,083 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:17,085 INFO L168 Benchmark]: Toolchain (without parser) took 2720.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 949.9 MB in the beginning and 1.2 GB in the end (delta: -226.5 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,085 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 949.9 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,086 INFO L168 Benchmark]: Boogie Preprocessor took 16.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,087 INFO L168 Benchmark]: RCFGBuilder took 211.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,088 INFO L168 Benchmark]: BuchiAutomizer took 2233.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:17,088 INFO L168 Benchmark]: Witness Printer took 4.09 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:17,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 949.9 MB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 211.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2233.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -45.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.09 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 material_length + -1 * j and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. 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, 31 SDslu, 14 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf48 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...