./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87afddccfd1da763b81be9f487d95a8fd1750032 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:49:30,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:49:30,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:49:30,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:49:30,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:49:30,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:49:30,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:49:30,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:49:30,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:49:30,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:49:30,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:49:30,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:49:30,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:49:30,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:49:30,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:49:30,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:49:30,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:49:30,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:49:30,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:49:30,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:49:30,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:49:30,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:49:30,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:49:30,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:49:30,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:49:30,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:49:30,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:49:30,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:49:30,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:49:30,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:49:30,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:49:30,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:49:30,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:49:30,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:49:30,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:49:30,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:49:30,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:49:30,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:49:30,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:49:30,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:49:30,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:49:30,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:49:30,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:49:30,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:49:30,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:49:30,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:49:30,913 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:49:30,913 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:49:30,913 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:49:30,913 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:49:30,914 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:49:30,914 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:49:30,914 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:49:30,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:49:30,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:49:30,915 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:49:30,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:49:30,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:49:30,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:49:30,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:49:30,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:49:30,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:49:30,916 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:49:30,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:49:30,916 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:49:30,916 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:49:30,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:49:30,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:49:30,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:49:30,917 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:49:30,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:49:30,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:49:30,917 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:49:30,918 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:49:30,918 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_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87afddccfd1da763b81be9f487d95a8fd1750032 [2019-11-25 08:49:31,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:49:31,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:49:31,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:49:31,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:49:31,108 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:49:31,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-25 08:49:31,158 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/data/aa1def0de/aa659977fd554f23aa08d1d063c8f3ea/FLAG0a2816c31 [2019-11-25 08:49:31,580 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:49:31,581 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/sv-benchmarks/c/ldv-regression/test_while_int.c_1.i [2019-11-25 08:49:31,586 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/data/aa1def0de/aa659977fd554f23aa08d1d063c8f3ea/FLAG0a2816c31 [2019-11-25 08:49:31,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/data/aa1def0de/aa659977fd554f23aa08d1d063c8f3ea [2019-11-25 08:49:31,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:49:31,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:49:31,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:31,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:49:31,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:49:31,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59aa6a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31, skipping insertion in model container [2019-11-25 08:49:31,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:49:31,639 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:49:31,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:31,815 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:49:31,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:49:31,902 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:49:31,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31 WrapperNode [2019-11-25 08:49:31,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:49:31,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:31,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:49:31,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:49:31,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:49:31,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:49:31,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:49:31,933 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:49:31,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... [2019-11-25 08:49:31,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:49:31,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:49:31,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:49:31,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:49:31,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/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 [2019-11-25 08:49:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:49:32,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:49:32,127 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:49:32,128 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:49:32,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:32 BoogieIcfgContainer [2019-11-25 08:49:32,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:49:32,130 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:49:32,130 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:49:32,133 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:49:32,134 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:32,134 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:49:31" (1/3) ... [2019-11-25 08:49:32,135 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2666c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:32, skipping insertion in model container [2019-11-25 08:49:32,135 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:32,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:49:31" (2/3) ... [2019-11-25 08:49:32,136 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2666c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:49:32, skipping insertion in model container [2019-11-25 08:49:32,136 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:49:32,136 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:32" (3/3) ... [2019-11-25 08:49:32,138 INFO L371 chiAutomizerObserver]: Analyzing ICFG test_while_int.c_1.i [2019-11-25 08:49:32,180 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:49:32,180 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:49:32,181 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:49:32,181 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:49:32,181 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:49:32,181 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:49:32,181 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:49:32,182 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:49:32,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-25 08:49:32,218 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:32,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:32,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:32,225 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:49:32,225 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:32,225 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:49:32,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-25 08:49:32,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-25 08:49:32,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:49:32,227 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:49:32,227 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-25 08:49:32,227 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:49:32,234 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~i~0;main_~i~0 := 0; 10#L4true [2019-11-25 08:49:32,234 INFO L796 eck$LassoCheckResult]: Loop: 10#L4true assume !!(main_~i~0 < 5);main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 5#L16true assume 3 != main_~i~0; 10#L4true [2019-11-25 08:49:32,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,240 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-25 08:49:32,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635917283] [2019-11-25 08:49:32,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-25 08:49:32,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044900353] [2019-11-25 08:49:32,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,333 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,335 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-25 08:49:32,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:49:32,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787063564] [2019-11-25 08:49:32,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:49:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:49:32,345 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:49:32,409 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:32,413 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:32,413 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:32,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:32,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:49:32,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,414 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:32,414 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:32,414 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2019-11-25 08:49:32,414 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:32,414 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:32,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:32,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:32,594 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:32,595 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:49:32,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:49:32,620 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:49:32,620 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:49:32,632 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:49:32,647 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:49:32,725 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:49:32,727 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:49:32,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:49:32,727 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:49:32,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:49:32,727 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:49:32,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:49:32,728 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:49:32,728 INFO L133 ssoRankerPreferences]: Filename of dumped script: test_while_int.c_1.i_Iteration1_Loop [2019-11-25 08:49:32,728 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:49:32,728 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:49:32,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:32,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:49:32,845 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:49:32,850 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/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) [2019-11-25 08:49:32,860 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 [2019-11-25 08:49:32,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:32,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:32,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:32,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:49:32,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:32,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:49:32,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,875 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,885 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 [2019-11-25 08:49:32,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:49:32,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:49:32,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:49:32,887 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-25 08:49:32,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:49:32,890 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-25 08:49:32,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:49:32,894 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:49:32,898 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:49:32,898 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2e728a0b-6470-452d-8eda-760ac002e8fb/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) [2019-11-25 08:49:32,912 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:49:32,912 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:49:32,912 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:49:32,913 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 Supporting invariants [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:49:32,927 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-25 08:49:32,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:49:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:32,971 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:49:32,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:49:32,983 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-25 08:49:32,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:49:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:49:33,032 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 [2019-11-25 08:49:33,033 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-25 08:49:33,071 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 5 states. [2019-11-25 08:49:33,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-25 08:49:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:49:33,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-25 08:49:33,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-25 08:49:33,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:33,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-25 08:49:33,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:33,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-25 08:49:33,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:49:33,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-25 08:49:33,080 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:33,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-11-25 08:49:33,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:49:33,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:49:33,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:49:33,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:49:33,085 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:33,085 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:33,085 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:49:33,085 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:49:33,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:49:33,086 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:49:33,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:49:33,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:49:33 BoogieIcfgContainer [2019-11-25 08:49:33,091 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:49:33,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:49:33,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:49:33,092 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:49:33,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:49:32" (3/4) ... [2019-11-25 08:49:33,095 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:49:33,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:49:33,098 INFO L168 Benchmark]: Toolchain (without parser) took 1491.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -107.6 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:33,098 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:33,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:33,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.58 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. [2019-11-25 08:49:33,100 INFO L168 Benchmark]: Boogie Preprocessor took 13.97 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. [2019-11-25 08:49:33,100 INFO L168 Benchmark]: RCFGBuilder took 181.76 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:33,101 INFO L168 Benchmark]: BuchiAutomizer took 961.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:49:33,101 INFO L168 Benchmark]: Witness Printer took 3.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:49:33,104 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -208.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.58 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 13.97 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 181.76 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: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 961.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 85.2 MB). Peak memory consumption was 85.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.91 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 9 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 3 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 34ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...