./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/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 b03f52438c8a4febc4c57e40202386008cb3a895 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:49:19,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:49:19,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:49:19,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:49:19,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:49:19,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:49:19,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:49:19,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:49:19,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:49:19,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:49:19,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:49:19,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:49:19,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:49:19,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:49:19,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:49:19,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:49:19,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:49:19,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:49:19,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:49:19,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:49:19,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:49:19,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:49:19,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:49:19,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:49:19,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:49:19,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:49:19,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:49:19,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:49:19,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:49:19,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:49:19,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:49:19,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:49:19,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:49:19,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:49:19,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:49:19,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:49:19,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:49:19,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:49:19,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:49:19,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:49:19,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:49:19,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 09:49:19,887 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:49:19,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:49:19,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:49:19,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:49:19,889 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:49:19,889 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:49:19,889 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:49:19,889 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:49:19,889 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:49:19,890 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:49:19,890 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:49:19,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:49:19,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:49:19,890 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:49:19,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:49:19,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:49:19,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:49:19,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:49:19,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:49:19,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:49:19,892 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:49:19,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:49:19,892 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:49:19,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:49:19,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:49:19,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:49:19,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:49:19,893 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:49:19,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:49:19,893 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:49:19,894 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:49:19,894 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:49:19,895 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_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/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 -> b03f52438c8a4febc4c57e40202386008cb3a895 [2019-11-20 09:49:20,030 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:49:20,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:49:20,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:49:20,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:49:20,045 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:49:20,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/../../sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2019-11-20 09:49:20,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/data/3e68a6a7e/249207bcf76f4f4c9f1d6f6932673bbc/FLAGd96462463 [2019-11-20 09:49:20,449 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:49:20,450 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/sv-benchmarks/c/array-industry-pattern/array_shadowinit.i [2019-11-20 09:49:20,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/data/3e68a6a7e/249207bcf76f4f4c9f1d6f6932673bbc/FLAGd96462463 [2019-11-20 09:49:20,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/data/3e68a6a7e/249207bcf76f4f4c9f1d6f6932673bbc [2019-11-20 09:49:20,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:49:20,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:49:20,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:49:20,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:49:20,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:49:20,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:20" (1/1) ... [2019-11-20 09:49:20,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403d54ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:20, skipping insertion in model container [2019-11-20 09:49:20,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:20" (1/1) ... [2019-11-20 09:49:20,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:49:20,858 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:49:21,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:49:21,011 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:49:21,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:49:21,107 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:49:21,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21 WrapperNode [2019-11-20 09:49:21,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:49:21,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:49:21,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:49:21,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:49:21,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:49:21,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:49:21,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:49:21,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:49:21,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... [2019-11-20 09:49:21,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:49:21,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:49:21,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:49:21,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:49:21,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/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 [2019-11-20 09:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:49:21,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:49:21,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:49:21,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:49:21,427 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:49:21,427 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 09:49:21,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:21 BoogieIcfgContainer [2019-11-20 09:49:21,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:49:21,429 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:49:21,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:49:21,441 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:49:21,441 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:49:21,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:49:20" (1/3) ... [2019-11-20 09:49:21,452 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72023268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:49:21, skipping insertion in model container [2019-11-20 09:49:21,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:49:21,452 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:21" (2/3) ... [2019-11-20 09:49:21,453 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72023268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:49:21, skipping insertion in model container [2019-11-20 09:49:21,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:49:21,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:21" (3/3) ... [2019-11-20 09:49:21,455 INFO L371 chiAutomizerObserver]: Analyzing ICFG array_shadowinit.i [2019-11-20 09:49:21,523 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:49:21,524 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:49:21,524 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:49:21,524 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:49:21,525 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:49:21,525 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:49:21,525 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:49:21,525 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:49:21,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 09:49:21,565 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 09:49:21,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:49:21,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:49:21,571 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 09:49:21,571 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 09:49:21,572 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:49:21,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-11-20 09:49:21,575 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2019-11-20 09:49:21,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:49:21,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:49:21,576 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 09:49:21,576 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 09:49:21,582 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 8#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L7true assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 10#L12-2true [2019-11-20 09:49:21,582 INFO L796 eck$LassoCheckResult]: Loop: 10#L12-2true assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 10#L12-2true [2019-11-20 09:49:21,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:21,588 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-11-20 09:49:21,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:21,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579833694] [2019-11-20 09:49:21,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:21,694 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:21,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:21,695 INFO L82 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2019-11-20 09:49:21,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:21,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279277744] [2019-11-20 09:49:21,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:21,713 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:21,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:21,714 INFO L82 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2019-11-20 09:49:21,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:21,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914636073] [2019-11-20 09:49:21,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:21,749 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:21,972 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-11-20 09:49:22,039 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:49:22,040 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:49:22,040 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:49:22,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:49:22,041 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:49:22,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,041 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:49:22,041 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:49:22,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration1_Lasso [2019-11-20 09:49:22,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:49:22,042 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:49:22,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:22,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:22,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:22,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:22,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:22,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:22,322 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:49:22,329 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:22,336 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 [2019-11-20 09:49:22,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:22,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:22,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,348 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/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) [2019-11-20 09:49:22,361 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 [2019-11-20 09:49:22,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:22,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:22,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,377 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 [2019-11-20 09:49:22,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:22,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:22,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:49:22,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:22,400 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 [2019-11-20 09:49:22,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:22,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,424 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 [2019-11-20 09:49:22,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:22,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:22,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:49:22,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,438 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 [2019-11-20 09:49:22,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:22,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:49:22,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,472 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 [2019-11-20 09:49:22,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:22,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:49:22,487 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:22,501 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 [2019-11-20 09:49:22,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:22,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:22,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:22,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:22,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:22,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,539 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:49:22,576 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-11-20 09:49:22,576 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:22,584 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:49:22,587 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 09:49:22,587 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:49:22,588 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(~N~0, ULTIMATE.start_main_~i~0) = 1*~N~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:22,605 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2019-11-20 09:49:22,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:49:22,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:49:22,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:49:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:49:22,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 09:49:22,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:49:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:49:22,674 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-20 09:49:22,675 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 2 states. [2019-11-20 09:49:22,715 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 2 states. Result 30 states and 39 transitions. Complement of second has 6 states. [2019-11-20 09:49:22,715 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 [2019-11-20 09:49:22,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-20 09:49:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-20 09:49:22,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-20 09:49:22,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:49:22,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2019-11-20 09:49:22,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:49:22,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 09:49:22,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:49:22,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-20 09:49:22,725 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 09:49:22,729 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2019-11-20 09:49:22,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 09:49:22,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 09:49:22,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2019-11-20 09:49:22,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:49:22,732 INFO L688 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-20 09:49:22,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2019-11-20 09:49:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-20 09:49:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-20 09:49:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-20 09:49:22,759 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-20 09:49:22,759 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-20 09:49:22,759 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:49:22,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-20 09:49:22,760 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 09:49:22,760 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:49:22,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:49:22,760 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 09:49:22,761 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 09:49:22,761 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 86#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 87#L7 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 88#L12-2 assume !(main_~i~0 < ~N~0); 89#L12-3 main_~i~0 := 0; 85#L18-2 [2019-11-20 09:49:22,761 INFO L796 eck$LassoCheckResult]: Loop: 85#L18-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem1 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 91#L2 assume !(0 == __VERIFIER_assert_~cond); 84#L2-3 havoc main_#t~mem1;main_~i~0 := 1 + main_~i~0; 85#L18-2 [2019-11-20 09:49:22,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:22,762 INFO L82 PathProgramCache]: Analyzing trace with hash 28693928, now seen corresponding path program 1 times [2019-11-20 09:49:22,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:22,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506172892] [2019-11-20 09:49:22,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:49:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:49:22,846 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506172892] [2019-11-20 09:49:22,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 09:49:22,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 09:49:22,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345013079] [2019-11-20 09:49:22,851 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 09:49:22,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:22,853 INFO L82 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 1 times [2019-11-20 09:49:22,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:22,855 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278510628] [2019-11-20 09:49:22,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:22,880 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:22,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 09:49:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 09:49:22,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 09:49:22,997 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 09:49:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 09:49:23,021 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-20 09:49:23,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 09:49:23,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 11 transitions. [2019-11-20 09:49:23,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 09:49:23,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 9 states and 10 transitions. [2019-11-20 09:49:23,025 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 09:49:23,025 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 09:49:23,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2019-11-20 09:49:23,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:49:23,026 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-20 09:49:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2019-11-20 09:49:23,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-20 09:49:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 09:49:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-20 09:49:23,027 INFO L711 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-20 09:49:23,027 INFO L591 BuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-20 09:49:23,028 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 09:49:23,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2019-11-20 09:49:23,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-20 09:49:23,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:49:23,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:49:23,029 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 09:49:23,029 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 09:49:23,029 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~N~0 := 0; 110#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~mem1, main_~i~0, main_~k~0, main_~#a~0.base, main_~#a~0.offset;~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 111#L7 assume ~N~0 > 0;havoc main_~i~0;havoc main_~k~0;call main_~#a~0.base, main_~#a~0.offset := #Ultimate.allocOnStack(4 * ~N~0);main_~i~0 := 0;main_~k~0 := 0; 114#L12-2 assume !!(main_~i~0 < ~N~0);call write~int(main_~k~0, main_~#a~0.base, main_~#a~0.offset + 4 * main_~k~0, 4);main_~i~0 := 1 + main_~i~0;main_~k~0 := 1 + main_~k~0; 115#L12-2 assume !(main_~i~0 < ~N~0); 116#L12-3 main_~i~0 := 0; 113#L18-2 [2019-11-20 09:49:23,029 INFO L796 eck$LassoCheckResult]: Loop: 113#L18-2 assume !!(main_~i~0 < ~N~0);call main_#t~mem1 := read~int(main_~#a~0.base, main_~#a~0.offset + 4 * main_~i~0, 4);__VERIFIER_assert_#in~cond := (if main_#t~mem1 == main_~i~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 118#L2 assume !(0 == __VERIFIER_assert_~cond); 112#L2-3 havoc main_#t~mem1;main_~i~0 := 1 + main_~i~0; 113#L18-2 [2019-11-20 09:49:23,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:23,030 INFO L82 PathProgramCache]: Analyzing trace with hash 889513522, now seen corresponding path program 1 times [2019-11-20 09:49:23,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:23,030 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606216265] [2019-11-20 09:49:23,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:23,081 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:23,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:23,082 INFO L82 PathProgramCache]: Analyzing trace with hash 56828, now seen corresponding path program 2 times [2019-11-20 09:49:23,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:23,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120777560] [2019-11-20 09:49:23,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:23,117 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:23,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:23,118 INFO L82 PathProgramCache]: Analyzing trace with hash -450855381, now seen corresponding path program 1 times [2019-11-20 09:49:23,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:49:23,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808190602] [2019-11-20 09:49:23,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:49:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:49:23,191 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:49:23,459 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 60 [2019-11-20 09:49:23,505 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:49:23,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:49:23,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:49:23,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:49:23,506 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:49:23,506 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:23,506 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:49:23,506 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:49:23,507 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_shadowinit.i_Iteration3_Lasso [2019-11-20 09:49:23,507 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:49:23,507 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:49:23,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:49:23,894 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:49:23,894 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:23,903 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 [2019-11-20 09:49:23,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:23,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:23,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:23,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:23,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:23,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:23,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:49:23,910 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:23,933 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 [2019-11-20 09:49:23,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:23,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:23,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:23,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:23,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:23,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:23,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:49:23,938 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:23,948 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 [2019-11-20 09:49:23,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:23,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:23,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:23,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:23,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:23,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:23,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:49:23,952 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:23,968 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 [2019-11-20 09:49:23,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:23,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:49:23,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:23,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:23,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:23,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:49:23,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:49:23,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:23,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:23,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:23,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:23,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:23,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:23,985 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:23,985 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:49:23,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:24,004 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 [2019-11-20 09:49:24,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:24,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:24,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:24,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:24,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:24,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:24,013 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:24,024 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 [2019-11-20 09:49:24,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:24,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:24,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:24,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:49:24,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:24,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:49:24,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 09:49:24,072 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 [2019-11-20 09:49:24,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:49:24,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:49:24,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:49:24,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:24,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:49:24,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:49:24,099 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:49:24,142 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-20 09:49:24,142 INFO L444 ModelExtractionUtils]: 13 out of 25 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b5b5dc86-d43f-44ae-a40e-6f10dc351b3d/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:49:24,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:49:24,153 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 09:49:24,154 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:49:24,154 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2, ULTIMATE.start_main_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#a~0.base)_2 - 4*ULTIMATE.start_main_~i~0 Supporting invariants [1*ULTIMATE.start_main_~#a~0.offset >= 0] [2019-11-20 09:49:24,162 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-11-20 09:49:24,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 09:49:24,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:49:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:49:24,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 09:49:24,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:49:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:49:24,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 09:49:24,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:49:24,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:49:24,243 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-20 09:49:24,244 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 09:49:24,282 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 5 states. [2019-11-20 09:49:24,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 09:49:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 09:49:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-20 09:49:24,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-20 09:49:24,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:49:24,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-20 09:49:24,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:49:24,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-20 09:49:24,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:49:24,284 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2019-11-20 09:49:24,285 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:49:24,285 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2019-11-20 09:49:24,285 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:49:24,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:49:24,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:49:24,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:49:24,285 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:49:24,285 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:49:24,285 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:49:24,285 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 09:49:24,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:49:24,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:49:24,286 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:49:24,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:49:24 BoogieIcfgContainer [2019-11-20 09:49:24,292 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:49:24,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:49:24,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:49:24,293 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:49:24,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:21" (3/4) ... [2019-11-20 09:49:24,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:49:24,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:49:24,298 INFO L168 Benchmark]: Toolchain (without parser) took 3468.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 224.4 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -224.0 MB). Peak memory consumption was 350.7 kB. Max. memory is 11.5 GB. [2019-11-20 09:49:24,299 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:49:24,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:49:24,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.30 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. [2019-11-20 09:49:24,300 INFO L168 Benchmark]: Boogie Preprocessor took 22.25 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. [2019-11-20 09:49:24,300 INFO L168 Benchmark]: RCFGBuilder took 264.85 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:49:24,301 INFO L168 Benchmark]: BuchiAutomizer took 2863.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:49:24,302 INFO L168 Benchmark]: Witness Printer took 3.98 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. [2019-11-20 09:49:24,304 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 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.30 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 22.25 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. * RCFGBuilder took 264.85 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: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2863.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.98 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23 SDtfs, 13 SDslu, 4 SDs, 0 SdLazy, 18 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital115 mio100 ax100 hnf100 lsp92 ukn70 mio100 lsp79 div100 bol100 ite100 ukn100 eq161 hnf90 smp97 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...