./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca_true-termination_true-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca_true-termination_true-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/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 b38ec4f461710d1db3d0a9a3fa7176d30b2ef06a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:50:16,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:50:16,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:50:16,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:50:16,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:50:16,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:50:16,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:50:16,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:50:16,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:50:16,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:50:16,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:50:16,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:50:16,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:50:16,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:50:16,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:50:16,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:50:16,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:50:16,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:50:16,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:50:16,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:50:16,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:50:16,824 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:50:16,826 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:50:16,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:50:16,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:50:16,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:50:16,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:50:16,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:50:16,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:50:16,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:50:16,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:50:16,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:50:16,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:50:16,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:50:16,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:50:16,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:50:16,832 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 13:50:16,842 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:50:16,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:50:16,844 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:50:16,844 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:50:16,844 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:50:16,844 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 13:50:16,844 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 13:50:16,844 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 13:50:16,844 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 13:50:16,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 13:50:16,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 13:50:16,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 13:50:16,846 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:50:16,846 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 13:50:16,847 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 13:50:16,847 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/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 -> b38ec4f461710d1db3d0a9a3fa7176d30b2ef06a [2018-11-23 13:50:16,870 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:50:16,878 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:50:16,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:50:16,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:50:16,881 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:50:16,881 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/a.08-alloca_true-termination_true-no-overflow.c.i [2018-11-23 13:50:16,918 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/data/00a2314df/8e3b4845ae6542019c9f7d50cb7d94b8/FLAGb9ee48f64 [2018-11-23 13:50:17,361 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:50:17,361 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/sv-benchmarks/c/termination-memory-alloca/a.08-alloca_true-termination_true-no-overflow.c.i [2018-11-23 13:50:17,372 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/data/00a2314df/8e3b4845ae6542019c9f7d50cb7d94b8/FLAGb9ee48f64 [2018-11-23 13:50:17,382 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/uautomizer/data/00a2314df/8e3b4845ae6542019c9f7d50cb7d94b8 [2018-11-23 13:50:17,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:50:17,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:50:17,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:50:17,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:50:17,388 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:50:17,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2a78e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17, skipping insertion in model container [2018-11-23 13:50:17,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:50:17,424 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:50:17,614 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:50:17,621 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:50:17,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:50:17,721 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:50:17,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17 WrapperNode [2018-11-23 13:50:17,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:50:17,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:50:17,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:50:17,722 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:50:17,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:50:17,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:50:17,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:50:17,749 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:50:17,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... [2018-11-23 13:50:17,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:50:17,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:50:17,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:50:17,763 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:50:17,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fe846374-37e7-401d-8cc2-d89416375eed/bin-2019/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 [2018-11-23 13:50:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:50:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 13:50:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 13:50:17,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 13:50:17,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:50:17,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:50:17,932 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:50:17,932 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 13:50:17,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:17 BoogieIcfgContainer [2018-11-23 13:50:17,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:50:17,933 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 13:50:17,933 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 13:50:17,936 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 13:50:17,937 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:50:17,937 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:50:17" (1/3) ... [2018-11-23 13:50:17,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53dc0e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:50:17, skipping insertion in model container [2018-11-23 13:50:17,938 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:50:17,938 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:17" (2/3) ... [2018-11-23 13:50:17,938 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@53dc0e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:50:17, skipping insertion in model container [2018-11-23 13:50:17,939 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 13:50:17,939 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:17" (3/3) ... [2018-11-23 13:50:17,940 INFO L375 chiAutomizerObserver]: Analyzing ICFG a.08-alloca_true-termination_true-no-overflow.c.i [2018-11-23 13:50:17,984 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:50:17,984 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 13:50:17,985 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 13:50:17,985 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 13:50:17,985 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:50:17,985 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:50:17,985 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 13:50:17,985 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:50:17,985 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 13:50:17,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 13:50:18,008 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 13:50:18,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:50:18,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:50:18,015 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 13:50:18,015 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 13:50:18,015 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 13:50:18,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2018-11-23 13:50:18,016 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 13:50:18,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:50:18,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:50:18,017 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 13:50:18,017 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 13:50:18,024 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 8#L555-5true [2018-11-23 13:50:18,024 INFO L796 eck$LassoCheckResult]: Loop: 8#L555-5true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 11#L555-1true assume test_fun_#t~short8;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem7 < 2147483647; 5#L555-3true assume !!test_fun_#t~short8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 + test_fun_#t~mem10, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 8#L555-5true [2018-11-23 13:50:18,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:50:18,029 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 13:50:18,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:50:18,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:50:18,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:18,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:50:18,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:18,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:50:18,134 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2018-11-23 13:50:18,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:50:18,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:50:18,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:18,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:50:18,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:18,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:50:18,157 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2018-11-23 13:50:18,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:50:18,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:50:18,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:18,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:50:18,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:18,318 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2018-11-23 13:50:18,522 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2018-11-23 13:50:18,600 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 13:50:18,600 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 13:50:18,601 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 13:50:18,601 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 13:50:18,601 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 13:50:18,601 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 13:50:18,601 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 13:50:18,601 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 13:50:18,601 INFO L131 ssoRankerPreferences]: Filename of dumped script: a.08-alloca_true-termination_true-no-overflow.c.i_Iteration1_Lasso [2018-11-23 13:50:18,602 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 13:50:18,602 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 13:50:18,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,834 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2018-11-23 13:50:18,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:18,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 13:50:19,187 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 13:50:19,191 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 13:50:19,192 INFO L122 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 [2018-11-23 13:50:19,194 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,194 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,194 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,194 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,195 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,196 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,196 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,198 INFO L122 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 [2018-11-23 13:50:19,199 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,199 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,200 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,200 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,201 INFO L122 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 [2018-11-23 13:50:19,201 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,201 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,201 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,202 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,203 INFO L122 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 [2018-11-23 13:50:19,204 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,204 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,205 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,206 INFO L122 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 [2018-11-23 13:50:19,207 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,207 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,207 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,207 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,207 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,208 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,208 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,209 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,209 INFO L122 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 [2018-11-23 13:50:19,210 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,210 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,210 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,212 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:50:19,212 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:50:19,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,215 INFO L122 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 [2018-11-23 13:50:19,216 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,216 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,216 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,216 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,217 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,217 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,218 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,218 INFO L122 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 [2018-11-23 13:50:19,219 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,219 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,220 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:50:19,220 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:50:19,224 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,225 INFO L122 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 [2018-11-23 13:50:19,225 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,225 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,226 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,226 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,226 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,228 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,229 INFO L122 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 [2018-11-23 13:50:19,229 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,230 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,231 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:50:19,231 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:50:19,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,234 INFO L122 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 [2018-11-23 13:50:19,234 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 13:50:19,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,235 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,235 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 13:50:19,235 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 13:50:19,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,236 INFO L122 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 [2018-11-23 13:50:19,237 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,237 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,238 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:50:19,238 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:50:19,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 13:50:19,241 INFO L122 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 [2018-11-23 13:50:19,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 13:50:19,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 13:50:19,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 13:50:19,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 13:50:19,245 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 13:50:19,246 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 13:50:19,274 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 13:50:19,289 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 13:50:19,290 INFO L444 ModelExtractionUtils]: 25 out of 28 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-23 13:50:19,291 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 13:50:19,293 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 13:50:19,293 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 13:50:19,294 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 2147483646 Supporting invariants [] [2018-11-23 13:50:19,352 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2018-11-23 13:50:19,358 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 13:50:19,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:50:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:50:19,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:50:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:50:19,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:50:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:50:19,467 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-23 13:50:19,468 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2018-11-23 13:50:19,545 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 38 states and 44 transitions. Complement of second has 9 states. [2018-11-23 13:50:19,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-23 13:50:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 13:50:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2018-11-23 13:50:19,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-23 13:50:19,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:50:19,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-23 13:50:19,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:50:19,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-23 13:50:19,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 13:50:19,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2018-11-23 13:50:19,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 13:50:19,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2018-11-23 13:50:19,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-23 13:50:19,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2018-11-23 13:50:19,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2018-11-23 13:50:19,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-23 13:50:19,563 INFO L705 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-23 13:50:19,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2018-11-23 13:50:19,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-11-23 13:50:19,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-11-23 13:50:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2018-11-23 13:50:19,580 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2018-11-23 13:50:19,580 INFO L608 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2018-11-23 13:50:19,580 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 13:50:19,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2018-11-23 13:50:19,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-23 13:50:19,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 13:50:19,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 13:50:19,581 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 13:50:19,581 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 13:50:19,582 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 174#L-1 havoc main_#res;havoc main_#t~nondet12, main_#t~nondet13, main_#t~ret14;test_fun_#in~x, test_fun_#in~y := main_#t~nondet12, main_#t~nondet13;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~short8, test_fun_#t~mem11, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.alloc(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.alloc(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.alloc(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 175#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 181#L555-1 [2018-11-23 13:50:19,582 INFO L796 eck$LassoCheckResult]: Loop: 181#L555-1 assume !test_fun_#t~short8; 177#L555-3 assume !!test_fun_#t~short8;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem5;havoc test_fun_#t~short8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem9, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(2 + test_fun_#t~mem10, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem10; 178#L555-5 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short8 := test_fun_#t~mem5 > test_fun_#t~mem6; 181#L555-1 [2018-11-23 13:50:19,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:50:19,582 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2018-11-23 13:50:19,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:50:19,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:50:19,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:19,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:50:19,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 13:50:19,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:50:19,607 INFO L82 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2018-11-23 13:50:19,607 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:50:19,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:50:19,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:19,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:50:19,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:50:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:50:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:50:19,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:50:19,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:50:19,639 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-23 13:50:19,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:50:19,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:50:19,643 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2018-11-23 13:50:19,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:50:19,655 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2018-11-23 13:50:19,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:50:19,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2018-11-23 13:50:19,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 13:50:19,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2018-11-23 13:50:19,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 13:50:19,656 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 13:50:19,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 13:50:19,657 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 13:50:19,657 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:50:19,657 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:50:19,657 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:50:19,657 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-23 13:50:19,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:50:19,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 13:50:19,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 13:50:19,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:50:19 BoogieIcfgContainer [2018-11-23 13:50:19,662 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 13:50:19,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:50:19,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:50:19,663 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:50:19,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:17" (3/4) ... [2018-11-23 13:50:19,666 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 13:50:19,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:50:19,667 INFO L168 Benchmark]: Toolchain (without parser) took 2282.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -76.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:50:19,668 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:50:19,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:50:19,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:50:19,669 INFO L168 Benchmark]: Boogie Preprocessor took 14.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:50:19,670 INFO L168 Benchmark]: RCFGBuilder took 169.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-23 13:50:19,670 INFO L168 Benchmark]: BuchiAutomizer took 1729.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2018-11-23 13:50:19,670 INFO L168 Benchmark]: Witness Printer took 3.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:50:19,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -146.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.42 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 169.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1729.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483646 and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital285 mio100 ax106 hnf100 lsp92 ukn56 mio100 lsp36 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 5ms 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...