./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10c50c605d9fb7cd886e3d668ba568a2b619230b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 05:23:53,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:23:53,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:23:53,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:23:53,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:23:53,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:23:53,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:23:53,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:23:53,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:23:53,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:23:53,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:23:53,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:23:53,757 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:23:53,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:23:53,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:23:53,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:23:53,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:23:53,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:23:53,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:23:53,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:23:53,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:23:53,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:23:53,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:23:53,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:23:53,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:23:53,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:23:53,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:23:53,786 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:23:53,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:23:53,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:23:53,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:23:53,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:23:53,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:23:53,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:23:53,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:23:53,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:23:53,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:23:53,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:23:53,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:23:53,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:23:53,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:23:53,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 05:23:53,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:23:53,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:23:53,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:23:53,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:23:53,820 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:23:53,820 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:23:53,824 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:23:53,825 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:23:53,825 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:23:53,825 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:23:53,826 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:23:53,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:23:53,827 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:23:53,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:23:53,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:23:53,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:23:53,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:23:53,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:23:53,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:23:53,829 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:23:53,829 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:23:53,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:23:53,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:23:53,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:23:53,832 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:23:53,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:23:53,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:23:53,833 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:23:53,833 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:23:53,834 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_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c50c605d9fb7cd886e3d668ba568a2b619230b [2019-11-20 05:23:53,966 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:23:53,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:23:53,976 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:23:53,978 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:23:53,978 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:23:53,979 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2019-11-20 05:23:54,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/data/7c7ad2684/f3a9b18cb1514ff3a7c6c1b8008bfc00/FLAG126167b4b [2019-11-20 05:23:54,556 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:23:54,556 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/sv-benchmarks/c/termination-memory-alloca/array01-alloca-1.i [2019-11-20 05:23:54,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/data/7c7ad2684/f3a9b18cb1514ff3a7c6c1b8008bfc00/FLAG126167b4b [2019-11-20 05:23:55,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/data/7c7ad2684/f3a9b18cb1514ff3a7c6c1b8008bfc00 [2019-11-20 05:23:55,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:23:55,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:23:55,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:23:55,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:23:55,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:23:55,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402b70d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55, skipping insertion in model container [2019-11-20 05:23:55,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,062 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:23:55,101 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:23:55,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:23:55,417 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:23:55,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:23:55,498 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:23:55,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55 WrapperNode [2019-11-20 05:23:55,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:23:55,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:23:55,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:23:55,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:23:55,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:23:55,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:23:55,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:23:55,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:23:55,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... [2019-11-20 05:23:55,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:23:55,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:23:55,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:23:55,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:23:55,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:23:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:23:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:23:55,865 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:23:55,866 INFO L285 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-20 05:23:55,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:23:55 BoogieIcfgContainer [2019-11-20 05:23:55,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:23:55,868 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:23:55,868 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:23:55,871 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:23:55,871 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:23:55,871 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:23:55" (1/3) ... [2019-11-20 05:23:55,872 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b13e4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:23:55, skipping insertion in model container [2019-11-20 05:23:55,872 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:23:55,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:23:55" (2/3) ... [2019-11-20 05:23:55,873 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b13e4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:23:55, skipping insertion in model container [2019-11-20 05:23:55,873 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:23:55,873 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:23:55" (3/3) ... [2019-11-20 05:23:55,875 INFO L371 chiAutomizerObserver]: Analyzing ICFG array01-alloca-1.i [2019-11-20 05:23:55,938 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:23:55,939 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:23:55,939 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:23:55,939 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:23:55,939 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:23:55,939 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:23:55,939 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:23:55,939 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:23:55,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-20 05:23:55,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:23:55,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:23:55,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:23:55,975 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 05:23:55,975 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:23:55,975 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:23:55,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-20 05:23:55,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:23:55,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:23:55,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:23:55,977 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 05:23:55,977 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-20 05:23:55,985 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 10#L561true assume !(main_~array_size~0 < 1); 14#L561-2true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 3#L551-3true [2019-11-20 05:23:55,986 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true assume !!(test_fun_~i~0 < test_fun_~N); 12#L552-3true assume !true; 13#L551-2true test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 3#L551-3true [2019-11-20 05:23:55,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:55,992 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-20 05:23:55,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:55,999 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437744258] [2019-11-20 05:23:55,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,112 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:56,113 INFO L82 PathProgramCache]: Analyzing trace with hash 47058, now seen corresponding path program 1 times [2019-11-20 05:23:56,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:56,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241973415] [2019-11-20 05:23:56,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:23:56,138 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 05:23:56,139 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241973415] [2019-11-20 05:23:56,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:23:56,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:23:56,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774666905] [2019-11-20 05:23:56,145 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 05:23:56,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:23:56,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:23:56,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:23:56,163 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-20 05:23:56,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:23:56,169 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2019-11-20 05:23:56,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:23:56,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2019-11-20 05:23:56,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:23:56,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 8 states and 10 transitions. [2019-11-20 05:23:56,177 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 05:23:56,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 05:23:56,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-20 05:23:56,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:23:56,178 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 05:23:56,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-20 05:23:56,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-20 05:23:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:23:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2019-11-20 05:23:56,199 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 05:23:56,199 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 05:23:56,199 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:23:56,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2019-11-20 05:23:56,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:23:56,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:23:56,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:23:56,200 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 05:23:56,200 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 05:23:56,200 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 34#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 35#L561 assume !(main_~array_size~0 < 1); 41#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 36#L551-3 [2019-11-20 05:23:56,201 INFO L796 eck$LassoCheckResult]: Loop: 36#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 37#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 39#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 40#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 36#L551-3 [2019-11-20 05:23:56,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:56,201 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2019-11-20 05:23:56,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:56,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749236175] [2019-11-20 05:23:56,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,229 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:56,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:56,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1451916, now seen corresponding path program 1 times [2019-11-20 05:23:56,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:56,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100057389] [2019-11-20 05:23:56,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,245 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:56,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:56,246 INFO L82 PathProgramCache]: Analyzing trace with hash 176797040, now seen corresponding path program 1 times [2019-11-20 05:23:56,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:56,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090212549] [2019-11-20 05:23:56,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:56,293 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:56,548 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-11-20 05:23:56,631 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:23:56,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:23:56,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:23:56,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:23:56,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:23:56,637 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:56,637 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:23:56,637 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:23:56,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration2_Lasso [2019-11-20 05:23:56,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:23:56,638 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:23:56,676 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 05:23:56,684 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 05:23:56,689 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 05:23:56,694 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 05:23:56,700 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 05:23:56,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:23:56,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:23:56,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:23:56,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:23:56,868 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-11-20 05:23:56,909 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 05:23:56,913 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 05:23:56,916 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 05:23:56,920 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 05:23:56,924 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 05:23:56,927 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 05:23:56,929 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 05:23:57,322 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:23:57,327 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:23:57,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:57,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:57,348 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 05:23:57,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,369 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 05:23:57,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:57,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:57,373 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 05:23:57,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) [2019-11-20 05:23:57,393 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 05:23:57,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:57,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:57,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:57,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,417 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:57,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:57,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:23:57,428 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) [2019-11-20 05:23:57,435 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 05:23:57,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:57,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:57,445 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,453 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 05:23:57,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:57,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:57,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:23:57,458 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,472 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 05:23:57,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:57,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:23:57,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,501 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 05:23:57,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:57,507 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 05:23:57,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:57,526 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 05:23:57,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:57,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:57,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:57,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:57,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:57,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:23:57,574 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:23:57,628 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-20 05:23:57,629 INFO L444 ModelExtractionUtils]: 20 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:57,643 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:23:57,646 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-20 05:23:57,647 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:23:57,647 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1, ULTIMATE.start_test_fun_~i~0) = 1*v_rep(select #length ULTIMATE.start_test_fun_~a.base)_1 - 4*ULTIMATE.start_test_fun_~i~0 Supporting invariants [1*ULTIMATE.start_test_fun_~a.offset >= 0] [2019-11-20 05:23:57,682 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 05:23:57,736 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 05:23:57,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:23:57,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:23:57,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:23:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:23:57,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:23:57,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:23:57,888 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 05:23:57,891 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:23:57,892 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 05:23:57,965 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 14 states and 18 transitions. Complement of second has 6 states. [2019-11-20 05:23:57,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:23:57,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:23:57,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-20 05:23:57,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 05:23:57,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:23:57,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-20 05:23:57,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:23:57,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 8 letters. [2019-11-20 05:23:57,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:23:57,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2019-11-20 05:23:57,972 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:23:57,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 13 states and 17 transitions. [2019-11-20 05:23:57,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-20 05:23:57,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 05:23:57,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-20 05:23:57,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:23:57,973 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-20 05:23:57,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-20 05:23:57,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 11. [2019-11-20 05:23:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:23:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-20 05:23:57,975 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-20 05:23:57,975 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-20 05:23:57,976 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:23:57,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-11-20 05:23:57,976 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:23:57,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:23:57,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:23:57,977 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-20 05:23:57,977 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:23:57,977 INFO L794 eck$LassoCheckResult]: Stem: 130#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 124#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 125#L561 assume !(main_~array_size~0 < 1); 134#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 126#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 128#L552-3 [2019-11-20 05:23:57,978 INFO L796 eck$LassoCheckResult]: Loop: 128#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 131#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 128#L552-3 [2019-11-20 05:23:57,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:57,997 INFO L82 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2019-11-20 05:23:57,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:57,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094278607] [2019-11-20 05:23:57,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:58,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:58,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:58,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 1 times [2019-11-20 05:23:58,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:58,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999425926] [2019-11-20 05:23:58,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:58,043 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:58,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:58,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1806818449, now seen corresponding path program 1 times [2019-11-20 05:23:58,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:58,044 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707661483] [2019-11-20 05:23:58,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:58,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:58,240 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-11-20 05:23:58,305 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:23:58,306 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:23:58,306 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:23:58,306 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:23:58,306 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:23:58,306 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:58,306 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:23:58,306 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:23:58,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration3_Lasso [2019-11-20 05:23:58,307 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:23:58,307 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:23:58,310 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 05:23:58,313 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 05:23:58,317 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 05:23:58,320 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 05:23:58,323 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 05:23:58,448 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-11-20 05:23:58,469 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 05:23:58,472 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 05:23:58,475 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 05:23:58,477 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 05:23:58,479 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 05:23:58,482 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 05:23:58,485 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 05:23:58,488 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 05:23:58,490 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 05:23:58,492 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 05:23:58,495 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 05:23:58,834 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:23:58,835 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) [2019-11-20 05:23:58,852 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 05:23:58,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:58,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:58,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:58,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:58,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:58,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:58,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:58,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) [2019-11-20 05:23:58,873 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 05:23:58,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:58,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:58,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:58,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:58,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:58,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:58,888 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) [2019-11-20 05:23:58,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:23:58,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:58,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:58,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:58,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:58,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:58,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:58,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:58,913 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:58,929 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 05:23:58,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:58,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:58,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:58,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:58,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:23:58,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:58,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:23:58,958 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 05:23:58,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:23:58,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:23:58,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:23:58,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:23:58,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:23:58,961 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:23:58,962 INFO L402 nArgumentSynthesizer]: A total of 0 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 05:23:58,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:23:58,974 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:23:58,974 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) [2019-11-20 05:23:58,986 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:23:58,986 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:23:58,987 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:23:58,987 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ (* ULTIMATE.start_test_fun_~i~0 4) ULTIMATE.start_test_fun_~a.offset))_2 Supporting invariants [] Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:58,996 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-20 05:23:58,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 05:23:59,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:23:59,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:23:59,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:23:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:23:59,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:23:59,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:23:59,058 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 05:23:59,059 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:23:59,059 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-20 05:23:59,088 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 15 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 7 states. [2019-11-20 05:23:59,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:23:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:23:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-20 05:23:59,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 05:23:59,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:23:59,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 05:23:59,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:23:59,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 05:23:59,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:23:59,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2019-11-20 05:23:59,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:23:59,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 15 states and 19 transitions. [2019-11-20 05:23:59,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-20 05:23:59,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-20 05:23:59,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2019-11-20 05:23:59,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:23:59,093 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2019-11-20 05:23:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2019-11-20 05:23:59,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2019-11-20 05:23:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-20 05:23:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2019-11-20 05:23:59,095 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-20 05:23:59,095 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2019-11-20 05:23:59,095 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 05:23:59,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2019-11-20 05:23:59,096 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:23:59,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:23:59,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:23:59,096 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:23:59,097 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:23:59,097 INFO L794 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 217#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet7;havoc main_#t~nondet7; 218#L561 assume !(main_~array_size~0 < 1); 223#L561-2 call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;test_fun_#in~a.base, test_fun_#in~a.offset, test_fun_#in~N := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc test_fun_#res;havoc test_fun_#t~mem4, test_fun_#t~post5, test_fun_#t~post6, test_fun_#t~mem3, test_fun_#t~post2, test_fun_~a.base, test_fun_~a.offset, test_fun_~N, test_fun_~i~0, test_fun_~res~0;test_fun_~a.base, test_fun_~a.offset := test_fun_#in~a.base, test_fun_#in~a.offset;test_fun_~N := test_fun_#in~N;havoc test_fun_~i~0;test_fun_~res~0 := 0;test_fun_~i~0 := 0; 212#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 213#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 221#L552-1 assume !(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3; 222#L551-2 test_fun_#t~post2 := test_fun_~i~0;test_fun_~i~0 := 1 + test_fun_#t~post2;havoc test_fun_#t~post2; 214#L551-3 assume !!(test_fun_~i~0 < test_fun_~N); 215#L552-3 [2019-11-20 05:23:59,097 INFO L796 eck$LassoCheckResult]: Loop: 215#L552-3 call test_fun_#t~mem3 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4); 220#L552-1 assume !!(test_fun_#t~mem3 > 0);havoc test_fun_#t~mem3;call test_fun_#t~mem4 := read~int(test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);test_fun_#t~post5 := test_fun_#t~mem4;call write~int(test_fun_#t~post5 - 1, test_fun_~a.base, test_fun_~a.offset + 4 * test_fun_~i~0, 4);havoc test_fun_#t~mem4;havoc test_fun_#t~post5;test_fun_#t~post6 := test_fun_~res~0;test_fun_~res~0 := 1 + test_fun_#t~post6;havoc test_fun_#t~post6; 215#L552-3 [2019-11-20 05:23:59,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:59,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1185740961, now seen corresponding path program 2 times [2019-11-20 05:23:59,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:59,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869247563] [2019-11-20 05:23:59,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:59,152 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:59,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:59,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1670, now seen corresponding path program 2 times [2019-11-20 05:23:59,153 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:59,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692692804] [2019-11-20 05:23:59,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:59,169 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:59,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:23:59,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1330730790, now seen corresponding path program 1 times [2019-11-20 05:23:59,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:23:59,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076381808] [2019-11-20 05:23:59,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:23:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:23:59,226 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:23:59,447 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-11-20 05:23:59,512 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:23:59,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:23:59,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:23:59,513 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:23:59,513 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:23:59,513 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:23:59,513 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:23:59,513 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:23:59,513 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-1.i_Iteration4_Lasso [2019-11-20 05:23:59,513 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:23:59,514 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:23:59,517 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 05:23:59,521 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 05:23:59,525 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 05:23:59,529 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 05:23:59,532 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 05:23:59,534 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 05:23:59,538 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 05:23:59,541 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 05:23:59,674 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-11-20 05:23:59,696 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 05:23:59,698 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 05:23:59,700 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 05:23:59,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:23:59,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:23:59,706 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 05:23:59,708 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 05:23:59,710 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 05:24:00,094 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:24:00,094 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,099 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 05:24:00,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:24:00,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:24:00,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:24:00,102 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/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 05:24:00,107 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 05:24:00,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:24:00,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,134 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 05:24:00,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:24:00,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,162 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 05:24:00,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,178 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,190 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 05:24:00,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:24:00,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:24:00,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,206 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 05:24:00,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:24:00,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:24:00,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,210 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,217 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 05:24:00,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,233 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 05:24:00,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,240 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,240 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,256 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 05:24:00,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:24:00,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,276 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 05:24:00,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,300 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,309 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 05:24:00,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,317 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:24:00,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,329 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:24:00,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:24:00,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:24:00,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:24:00,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:24:00,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:24:00,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:24:00,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:24:00,341 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:24:00,345 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:24:00,345 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a9e0119e-6ed3-4225-a31a-3333625d0156/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:24:00,353 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:24:00,353 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:24:00,353 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:24:00,353 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~a.base) (+ ULTIMATE.start_test_fun_~a.offset (* ULTIMATE.start_test_fun_~i~0 4)))_1 Supporting invariants [] Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:24:00,373 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 05:24:00,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-20 05:24:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:24:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:00,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:24:00,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:24:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:00,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:24:00,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:24:00,435 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 05:24:00,435 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:24:00,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-20 05:24:00,462 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2019-11-20 05:24:00,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:24:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:24:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-20 05:24:00,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 05:24:00,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:24:00,464 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:24:00,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:24:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:00,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:24:00,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:24:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:00,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:24:00,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:24:00,523 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 05:24:00,523 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:24:00,523 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-20 05:24:00,547 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 18 states and 22 transitions. Complement of second has 7 states. [2019-11-20 05:24:00,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:24:00,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:24:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-20 05:24:00,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 05:24:00,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:24:00,550 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:24:00,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:24:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:00,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:24:00,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:24:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:24:00,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:24:00,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:24:00,606 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 05:24:00,606 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 05:24:00,606 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7 Second operand 3 states. [2019-11-20 05:24:00,623 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 7. Second operand 3 states. Result 20 states and 26 transitions. Complement of second has 6 states. [2019-11-20 05:24:00,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 05:24:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:24:00,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-20 05:24:00,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-20 05:24:00,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:24:00,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-20 05:24:00,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:24:00,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-20 05:24:00,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:24:00,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2019-11-20 05:24:00,628 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:24:00,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2019-11-20 05:24:00,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:24:00,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:24:00,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:24:00,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:24:00,629 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:24:00,629 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:24:00,629 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:24:00,629 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 05:24:00,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:24:00,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:24:00,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:24:00,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:24:00 BoogieIcfgContainer [2019-11-20 05:24:00,636 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:24:00,636 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:24:00,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:24:00,636 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:24:00,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:23:55" (3/4) ... [2019-11-20 05:24:00,640 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:24:00,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:24:00,642 INFO L168 Benchmark]: Toolchain (without parser) took 5590.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.0 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:00,642 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:24:00,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 940.8 MB in the beginning and 1.2 GB in the end (delta: -217.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:00,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.32 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. [2019-11-20 05:24:00,644 INFO L168 Benchmark]: Boogie Preprocessor took 29.11 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. [2019-11-20 05:24:00,644 INFO L168 Benchmark]: RCFGBuilder took 297.56 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:00,645 INFO L168 Benchmark]: BuchiAutomizer took 4768.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:24:00,645 INFO L168 Benchmark]: Witness Printer took 4.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:24:00,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 447.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 940.8 MB in the beginning and 1.2 GB in the end (delta: -217.5 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.32 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 29.11 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 297.56 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4768.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 85.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[a][i * 4 + a] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[a][a + i * 4] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 49 SDtfs, 37 SDslu, 1 SDs, 0 SdLazy, 45 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital133 mio100 ax113 hnf99 lsp79 ukn81 mio100 lsp57 div100 bol100 ite100 ukn100 eq180 hnf89 smp100 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...