./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/chunk1.i --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_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/chunk1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/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 0673538459dd2523ead2e02bcab6f07cef7899c9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:11:39,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:11:39,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:11:39,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:11:39,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:11:39,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:11:39,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:11:39,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:11:39,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:11:39,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:11:39,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:11:39,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:11:39,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:11:39,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:11:39,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:11:39,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:11:39,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:11:39,967 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:11:39,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:11:39,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:11:39,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:11:39,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:11:39,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:11:39,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:11:39,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:11:39,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:11:39,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:11:39,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:11:39,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:11:39,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:11:39,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:11:39,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:11:39,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:11:39,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:11:39,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:11:39,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:11:39,994 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:11:39,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:11:39,995 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:11:39,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:11:39,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:11:40,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 22:11:40,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:11:40,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:11:40,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:11:40,018 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:11:40,018 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:11:40,018 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:11:40,018 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:11:40,019 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:11:40,019 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:11:40,019 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:11:40,019 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:11:40,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:11:40,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:11:40,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:11:40,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:11:40,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:11:40,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:11:40,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:11:40,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:11:40,021 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:11:40,022 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:11:40,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:11:40,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:11:40,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:11:40,023 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:11:40,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:11:40,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:11:40,023 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:11:40,024 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:11:40,024 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_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/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 -> 0673538459dd2523ead2e02bcab6f07cef7899c9 [2019-11-15 22:11:40,052 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:11:40,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:11:40,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:11:40,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:11:40,071 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:11:40,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/../../sv-benchmarks/c/termination-recursive-malloc/chunk1.i [2019-11-15 22:11:40,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/data/fe9d9d64c/715499d5c17b4172bd1918c268a97e7f/FLAGe3b88b343 [2019-11-15 22:11:40,505 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:11:40,506 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/sv-benchmarks/c/termination-recursive-malloc/chunk1.i [2019-11-15 22:11:40,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/data/fe9d9d64c/715499d5c17b4172bd1918c268a97e7f/FLAGe3b88b343 [2019-11-15 22:11:40,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/bin/uautomizer/data/fe9d9d64c/715499d5c17b4172bd1918c268a97e7f [2019-11-15 22:11:40,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:11:40,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:11:40,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:11:40,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:11:40,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:11:40,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:11:40" (1/1) ... [2019-11-15 22:11:40,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3e9369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:40, skipping insertion in model container [2019-11-15 22:11:40,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:11:40" (1/1) ... [2019-11-15 22:11:40,944 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:11:40,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:11:41,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:11:41,188 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:11:41,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:11:41,213 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:11:41,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41 WrapperNode [2019-11-15 22:11:41,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:11:41,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:11:41,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:11:41,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:11:41,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:11:41,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:11:41,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:11:41,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:11:41,251 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... [2019-11-15 22:11:41,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:11:41,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:11:41,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:11:41,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:11:41,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_120f90c4-d48f-4a6d-bac2-4eb2c61ff687/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 [2019-11-15 22:11:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:11:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 22:11:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure chunk [2019-11-15 22:11:41,319 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk [2019-11-15 22:11:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:11:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:11:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 22:11:41,467 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:11:41,473 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 22:11:41,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:41 BoogieIcfgContainer [2019-11-15 22:11:41,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:11:41,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:11:41,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:11:41,478 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:11:41,479 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:11:41,479 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:11:40" (1/3) ... [2019-11-15 22:11:41,480 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51abfa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:11:41, skipping insertion in model container [2019-11-15 22:11:41,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:11:41,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:11:41" (2/3) ... [2019-11-15 22:11:41,481 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51abfa39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:11:41, skipping insertion in model container [2019-11-15 22:11:41,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:11:41,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:41" (3/3) ... [2019-11-15 22:11:41,483 INFO L371 chiAutomizerObserver]: Analyzing ICFG chunk1.i [2019-11-15 22:11:41,552 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:11:41,552 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:11:41,557 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:11:41,557 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:11:41,557 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:11:41,557 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:11:41,557 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:11:41,558 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:11:41,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-15 22:11:41,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 22:11:41,595 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:11:41,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:11:41,601 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-15 22:11:41,601 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 22:11:41,601 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:11:41,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2019-11-15 22:11:41,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 22:11:41,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:11:41,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:11:41,603 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-15 22:11:41,604 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 22:11:41,609 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet6, main_#t~nondet7, main_~data~0.base, main_~data~0.offset, main_~i~0, main_~upper~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(16);main_~data~0.base, main_~data~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~upper~0 := main_#t~nondet7;havoc main_#t~nondet7; 14#L25true assume !(main_~i~0 >= main_~upper~0); 9#L28true call chunk(main_~data~0.base, main_~data~0.offset);< 11#chunkENTRYtrue [2019-11-15 22:11:41,609 INFO L793 eck$LassoCheckResult]: Loop: 11#chunkENTRYtrue ~data.base, ~data.offset := #in~data.base, #in~data.offset;call #t~mem1 := read~int(~data.base, ~data.offset, 4);call #t~mem2 := read~int(~data.base, 12 + ~data.offset, 4); 13#L9true assume !(#t~mem1 >= #t~mem2);havoc #t~mem1;havoc #t~mem2;call #t~mem3 := read~int(~data.base, ~data.offset, 4);#t~post4 := #t~mem3;call write~int(1 + #t~post4, ~data.base, ~data.offset, 4);havoc #t~post4;havoc #t~mem3; 6#L15true call chunk(~data.base, ~data.offset);< 11#chunkENTRYtrue [2019-11-15 22:11:41,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:41,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1141162, now seen corresponding path program 1 times [2019-11-15 22:11:41,618 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:41,618 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13702721] [2019-11-15 22:11:41,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:41,619 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:41,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:41,721 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:41,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:41,722 INFO L82 PathProgramCache]: Analyzing trace with hash 29934, now seen corresponding path program 1 times [2019-11-15 22:11:41,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:41,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313386165] [2019-11-15 22:11:41,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:41,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:41,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:41,750 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:41,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:41,751 INFO L82 PathProgramCache]: Analyzing trace with hash -363381083, now seen corresponding path program 1 times [2019-11-15 22:11:41,751 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:11:41,752 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837842842] [2019-11-15 22:11:41,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:41,752 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:11:41,752 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:11:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:11:41,790 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:11:41,917 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-11-15 22:11:42,298 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:11:42,298 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:11:42,298 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:11:42,299 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:11:42,299 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:11:42,299 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:11:42,299 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:11:42,299 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:11:42,299 INFO L131 ssoRankerPreferences]: Filename of dumped script: chunk1.i_Iteration1_Lasso [2019-11-15 22:11:42,299 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:11:42,300 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:11:42,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:11:42,787 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:11:42,791 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:11:42,794 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 [2019-11-15 22:11:42,796 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,796 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,797 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,798 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,798 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,800 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,800 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,806 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 [2019-11-15 22:11:42,808 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,809 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,812 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,813 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,813 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,814 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,815 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,833 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 [2019-11-15 22:11:42,834 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,834 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,835 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,835 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,835 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,835 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,836 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,837 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 [2019-11-15 22:11:42,838 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,838 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,838 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,839 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,839 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,839 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,839 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,840 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,841 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 [2019-11-15 22:11:42,841 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,841 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,842 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,848 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,849 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,849 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,849 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:11:42,853 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,853 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,853 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,853 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,853 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,854 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,854 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,855 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 [2019-11-15 22:11:42,856 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,858 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,858 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,859 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,861 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:42,862 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:42,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,868 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 [2019-11-15 22:11:42,869 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,870 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,870 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,870 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,871 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,871 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,872 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,875 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 [2019-11-15 22:11:42,876 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,876 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,876 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,876 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,876 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,879 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,879 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,880 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,880 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 [2019-11-15 22:11:42,881 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,881 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,882 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,882 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,883 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,884 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,884 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,888 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 [2019-11-15 22:11:42,888 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,889 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,889 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,889 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,889 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,890 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,890 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,893 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 [2019-11-15 22:11:42,894 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,894 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,895 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,895 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,895 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,895 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,896 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,901 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,902 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 [2019-11-15 22:11:42,903 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,903 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,903 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,903 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,904 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,904 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,904 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,912 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 [2019-11-15 22:11:42,914 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,914 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,914 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,915 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,915 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,915 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,915 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,916 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,918 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 [2019-11-15 22:11:42,919 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,920 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,920 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,920 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,922 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:42,926 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:42,929 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 22:11:42,934 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,935 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,935 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,935 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,935 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,939 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,939 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,940 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,940 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 [2019-11-15 22:11:42,941 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,942 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,942 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,942 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,942 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,943 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,944 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,945 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 [2019-11-15 22:11:42,951 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,951 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:11:42,951 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,951 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,952 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,952 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:11:42,952 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:11:42,953 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,954 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 [2019-11-15 22:11:42,954 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,954 INFO L202 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-15 22:11:42,955 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,956 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,958 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 22:11:42,959 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:42,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,972 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 [2019-11-15 22:11:42,973 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,974 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,974 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,975 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,976 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:42,976 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:42,984 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:42,986 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 [2019-11-15 22:11:42,987 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:42,989 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:42,989 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:42,989 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:42,991 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:42,991 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:43,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:43,021 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 [2019-11-15 22:11:43,022 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:43,022 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:43,023 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:43,023 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:43,028 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:43,029 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:43,053 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:11:43,059 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 [2019-11-15 22:11:43,060 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:11:43,061 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:11:43,061 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:11:43,061 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:11:43,064 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:11:43,065 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:11:43,092 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:11:43,107 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-15 22:11:43,107 INFO L444 ModelExtractionUtils]: 12 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 22:11:43,109 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:11:43,110 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 22:11:43,111 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:11:43,111 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1, v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1) = -1*v_rep(select (select #memory_int chunk_#in~data.base) chunk_#in~data.offset)_1 + 1*v_rep(select (select #memory_int chunk_#in~data.base) (+ chunk_#in~data.offset 12))_1 Supporting invariants [] [2019-11-15 22:11:43,122 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2019-11-15 22:11:43,130 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-15 22:11:43,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-15 22:11:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:11:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:43,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:11:43,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:11:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:11:43,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-15 22:11:43,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:11:43,265 INFO L341 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2019-11-15 22:11:43,265 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 29 [2019-11-15 22:11:43,267 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 22:11:43,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 22:11:43,274 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 22:11:43,274 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:31 [2019-11-15 22:11:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:11:43,315 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 [2019-11-15 22:11:43,316 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 4 states. [2019-11-15 22:11:43,424 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 4 states. Result 30 states and 34 transitions. Complement of second has 16 states. [2019-11-15 22:11:43,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-15 22:11:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 22:11:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-15 22:11:43,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-15 22:11:43,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:11:43,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-15 22:11:43,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:11:43,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-15 22:11:43,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:11:43,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 34 transitions. [2019-11-15 22:11:43,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:11:43,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2019-11-15 22:11:43,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:11:43,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:11:43,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:11:43,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:11:43,438 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:11:43,438 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:11:43,438 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:11:43,438 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:11:43,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:11:43,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:11:43,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:11:43,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:11:43 BoogieIcfgContainer [2019-11-15 22:11:43,444 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:11:43,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:11:43,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:11:43,445 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:11:43,445 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:11:41" (3/4) ... [2019-11-15 22:11:43,449 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:11:43,449 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:11:43,450 INFO L168 Benchmark]: Toolchain (without parser) took 2519.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 922.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 157.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:43,451 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:11:43,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:43,452 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.87 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. [2019-11-15 22:11:43,452 INFO L168 Benchmark]: Boogie Preprocessor took 17.54 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. [2019-11-15 22:11:43,453 INFO L168 Benchmark]: RCFGBuilder took 212.36 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:43,454 INFO L168 Benchmark]: BuchiAutomizer took 1969.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.3 MB in the end (delta: 188.9 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:11:43,454 INFO L168 Benchmark]: Witness Printer took 4.12 ms. Allocated memory is still 1.2 GB. Free memory is still 922.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:11:43,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -183.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.87 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 17.54 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 212.36 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1969.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.3 MB in the end (delta: 188.9 MB). Peak memory consumption was 188.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.12 ms. Allocated memory is still 1.2 GB. Free memory is still 922.3 MB. 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 - 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 -1 * unknown-#memory_int-unknown[data][data] + unknown-#memory_int-unknown[data][data + 12] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 9 SDtfs, 8 SDslu, 3 SDs, 0 SdLazy, 21 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital101 mio100 ax100 hnf100 lsp94 ukn74 mio100 lsp36 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 2 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...