./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f34751565a9d43a481fab038d13037e70cdccbf ............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:30:21,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:30:21,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:30:21,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:30:21,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:30:21,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:30:21,900 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:30:21,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:30:21,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:30:21,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:30:21,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:30:21,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:30:21,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:30:21,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:30:21,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:30:21,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:30:21,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:30:21,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:30:21,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:30:21,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:30:21,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:30:21,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:30:21,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:30:21,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:30:21,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:30:21,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:30:21,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:30:21,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:30:21,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:30:21,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:30:21,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:30:21,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:30:21,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:30:21,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:30:21,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:30:21,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:30:21,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:30:21,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:30:21,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:30:21,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:30:21,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:30:21,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-16 00:30:21,969 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:30:21,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:30:21,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:30:21,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:30:21,979 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:30:21,979 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-16 00:30:21,979 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-16 00:30:21,980 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-16 00:30:21,980 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-16 00:30:21,980 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-16 00:30:21,980 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-16 00:30:21,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:30:21,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:30:21,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:30:21,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:30:21,981 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-16 00:30:21,981 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-16 00:30:21,981 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-16 00:30:21,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:30:21,982 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-16 00:30:21,982 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:30:21,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-16 00:30:21,982 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:30:21,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:30:21,983 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-16 00:30:21,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:30:21,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:30:21,983 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-16 00:30:21,984 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-16 00:30:21,984 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_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f34751565a9d43a481fab038d13037e70cdccbf [2019-11-16 00:30:22,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:30:22,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:30:22,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:30:22,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:30:22,034 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:30:22,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2019-11-16 00:30:22,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/data/300d5263c/879669c778b24efaba0ae7a377925c27/FLAG2dbf0a64b [2019-11-16 00:30:22,466 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:30:22,467 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2019-11-16 00:30:22,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/data/300d5263c/879669c778b24efaba0ae7a377925c27/FLAG2dbf0a64b [2019-11-16 00:30:22,486 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/bin/uautomizer/data/300d5263c/879669c778b24efaba0ae7a377925c27 [2019-11-16 00:30:22,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:30:22,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:30:22,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:30:22,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:30:22,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:30:22,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fb3d3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22, skipping insertion in model container [2019-11-16 00:30:22,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,507 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:30:22,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:30:22,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:30:22,732 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:30:22,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:30:22,755 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:30:22,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22 WrapperNode [2019-11-16 00:30:22,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:30:22,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:30:22,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:30:22,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:30:22,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:30:22,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:30:22,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:30:22,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:30:22,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... [2019-11-16 00:30:22,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:30:22,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:30:22,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:30:22,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:30:22,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_717185df-9bf0-4b0d-8226-5ffc56811456/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 [2019-11-16 00:30:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-16 00:30:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-16 00:30:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:30:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:30:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-16 00:30:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-16 00:30:23,087 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:30:23,088 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-16 00:30:23,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:23 BoogieIcfgContainer [2019-11-16 00:30:23,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:30:23,090 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-16 00:30:23,090 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-16 00:30:23,093 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-16 00:30:23,094 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:30:23,094 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:30:22" (1/3) ... [2019-11-16 00:30:23,095 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c3dfa5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:23, skipping insertion in model container [2019-11-16 00:30:23,095 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:30:23,095 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:30:22" (2/3) ... [2019-11-16 00:30:23,096 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c3dfa5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:30:23, skipping insertion in model container [2019-11-16 00:30:23,096 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-16 00:30:23,096 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:23" (3/3) ... [2019-11-16 00:30:23,098 INFO L371 chiAutomizerObserver]: Analyzing ICFG SyntaxSupportPointer01-3.c [2019-11-16 00:30:23,149 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-16 00:30:23,150 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-16 00:30:23,150 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-16 00:30:23,150 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:30:23,151 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:30:23,151 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-16 00:30:23,151 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:30:23,151 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-16 00:30:23,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-16 00:30:23,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-16 00:30:23,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:30:23,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:30:23,190 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:30:23,190 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-16 00:30:23,190 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-16 00:30:23,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-16 00:30:23,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-16 00:30:23,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-16 00:30:23,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-16 00:30:23,192 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-16 00:30:23,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-16 00:30:23,199 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc0.base, main_#t~malloc0.offset, main_#t~mem2, main_#t~post3, main_#t~mem1, main_~p~0.base, main_~p~0.offset;call main_#t~malloc0.base, main_#t~malloc0.offset := #Ultimate.allocOnHeap(4);main_~p~0.base, main_~p~0.offset := main_#t~malloc0.base, main_#t~malloc0.offset; 6#L15-3true [2019-11-16 00:30:23,199 INFO L793 eck$LassoCheckResult]: Loop: 6#L15-3true call main_#t~mem1 := read~int(main_~p~0.base, main_~p~0.offset, 4); 10#L15-1true assume !!(main_#t~mem1 >= 0);havoc main_#t~mem1;call main_#t~mem2 := read~int(main_~p~0.base, main_~p~0.offset, 4);main_#t~post3 := main_#t~mem2;call write~int(main_#t~post3 - 1, main_~p~0.base, main_~p~0.offset, 4);havoc main_#t~post3;havoc main_#t~mem2; 6#L15-3true [2019-11-16 00:30:23,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:23,206 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-16 00:30:23,214 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:30:23,214 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906186735] [2019-11-16 00:30:23,214 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:23,214 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:23,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:30:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:23,317 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:30:23,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:23,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-11-16 00:30:23,319 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:30:23,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918947053] [2019-11-16 00:30:23,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:23,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:23,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:30:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:23,339 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:30:23,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:23,341 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-11-16 00:30:23,341 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:30:23,342 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753392839] [2019-11-16 00:30:23,342 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:23,342 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:30:23,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:30:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-16 00:30:23,374 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-16 00:30:23,559 INFO L210 LassoAnalysis]: Preferences: [2019-11-16 00:30:23,559 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-16 00:30:23,559 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-16 00:30:23,560 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-16 00:30:23,560 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-16 00:30:23,560 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-16 00:30:23,560 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-16 00:30:23,561 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-16 00:30:23,561 INFO L131 ssoRankerPreferences]: Filename of dumped script: SyntaxSupportPointer01-3.c_Iteration1_Lasso [2019-11-16 00:30:23,561 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-16 00:30:23,561 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-16 00:30:23,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:23,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:23,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:23,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:23,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:23,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:23,812 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2019-11-16 00:30:23,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-16 00:30:24,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-16 00:30:24,091 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-16 00:30:24,093 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 [2019-11-16 00:30:24,095 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,095 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:30:24,096 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,096 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,096 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,099 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:30:24,099 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:30:24,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:30:24,115 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,116 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,116 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,116 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,122 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:30:24,123 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:30:24,128 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-16 00:30:24,135 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,136 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:30:24,136 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,137 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,137 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,138 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:30:24,138 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:30:24,140 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,141 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 [2019-11-16 00:30:24,142 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,142 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:30:24,145 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,146 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,146 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,147 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:30:24,148 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:30:24,148 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,149 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 [2019-11-16 00:30:24,149 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,149 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,149 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,150 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,151 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:30:24,151 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:30:24,156 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,157 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 [2019-11-16 00:30:24,158 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,162 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,162 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,162 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,165 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:30:24,166 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:30:24,170 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,186 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 [2019-11-16 00:30:24,187 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,187 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,187 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,187 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,190 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-16 00:30:24,190 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-16 00:30:24,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-16 00:30:24,218 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 [2019-11-16 00:30:24,219 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-16 00:30:24,219 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-16 00:30:24,219 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-16 00:30:24,219 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-16 00:30:24,219 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-16 00:30:24,220 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-16 00:30:24,220 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-16 00:30:24,225 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-16 00:30:24,230 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-16 00:30:24,230 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-16 00:30:24,232 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-16 00:30:24,232 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-16 00:30:24,232 INFO L510 LassoAnalysis]: Proved termination. [2019-11-16 00:30:24,233 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset)_1 + 1 Supporting invariants [] [2019-11-16 00:30:24,242 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-16 00:30:24,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-16 00:30:24,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:30:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:30:24,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:30:24,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:30:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:30:24,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-16 00:30:24,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:30:24,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:30:24,331 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 [2019-11-16 00:30:24,332 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-11-16 00:30:24,382 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 18 states and 20 transitions. Complement of second has 7 states. [2019-11-16 00:30:24,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-16 00:30:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-16 00:30:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-16 00:30:24,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-16 00:30:24,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:30:24,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-16 00:30:24,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:30:24,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-16 00:30:24,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-16 00:30:24,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-11-16 00:30:24,390 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:30:24,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-16 00:30:24,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-16 00:30:24,394 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-16 00:30:24,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-16 00:30:24,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-16 00:30:24,395 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:30:24,395 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:30:24,395 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:30:24,395 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-16 00:30:24,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:30:24,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-16 00:30:24,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-16 00:30:24,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:30:24 BoogieIcfgContainer [2019-11-16 00:30:24,401 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-16 00:30:24,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:30:24,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:30:24,402 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:30:24,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:30:23" (3/4) ... [2019-11-16 00:30:24,406 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-16 00:30:24,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:30:24,408 INFO L168 Benchmark]: Toolchain (without parser) took 1917.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -71.8 MB). Peak memory consumption was 69.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:30:24,408 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:30:24,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:30:24,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.83 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. [2019-11-16 00:30:24,410 INFO L168 Benchmark]: Boogie Preprocessor took 18.97 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. [2019-11-16 00:30:24,410 INFO L168 Benchmark]: RCFGBuilder took 285.69 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:30:24,411 INFO L168 Benchmark]: BuchiAutomizer took 1311.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.4 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:30:24,411 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:30:24,414 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 285.69 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: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1311.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.4 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.25 ms. Allocated memory is still 1.2 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[p][p] + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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, 5 SDslu, 4 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital86 mio100 ax100 hnf100 lsp93 ukn76 mio100 lsp40 div100 bol100 ite100 ukn100 eq179 hnf88 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms 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...