./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/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 68c0bffd453ebe82049c8a49e9fddf725cfb9d95 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:47:55,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:47:55,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:47:55,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:47:55,341 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:47:55,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:47:55,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:47:55,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:47:55,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:47:55,347 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:47:55,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:47:55,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:47:55,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:47:55,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:47:55,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:47:55,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:47:55,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:47:55,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:47:55,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:47:55,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:47:55,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:47:55,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:47:55,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:47:55,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:47:55,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:47:55,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:47:55,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:47:55,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:47:55,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:47:55,375 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:47:55,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:47:55,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:47:55,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:47:55,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:47:55,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:47:55,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:47:55,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:47:55,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:47:55,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:47:55,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:47:55,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:47:55,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:47:55,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:47:55,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:47:55,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:47:55,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:47:55,396 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:47:55,396 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:47:55,397 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:47:55,397 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:47:55,397 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:47:55,397 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:47:55,397 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:47:55,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:47:55,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:47:55,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:47:55,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:47:55,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:47:55,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:47:55,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:47:55,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:47:55,399 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:47:55,399 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:47:55,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:47:55,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:47:55,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:47:55,400 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:47:55,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:47:55,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:47:55,400 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:47:55,401 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:47:55,401 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_672ef830-4e39-4b30-9c3c-d018f199aa1b/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 -> 68c0bffd453ebe82049c8a49e9fddf725cfb9d95 [2019-11-25 08:47:55,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:47:55,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:47:55,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:47:55,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:47:55,557 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:47:55,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i [2019-11-25 08:47:55,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/data/651009afb/5a2176ce1f6140caaad34367cee77f87/FLAG8ad021178 [2019-11-25 08:47:56,058 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:47:56,058 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/sv-benchmarks/c/termination-memory-alloca/cstrncmp-alloca-2.i [2019-11-25 08:47:56,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/data/651009afb/5a2176ce1f6140caaad34367cee77f87/FLAG8ad021178 [2019-11-25 08:47:56,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/data/651009afb/5a2176ce1f6140caaad34367cee77f87 [2019-11-25 08:47:56,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:47:56,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:47:56,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:56,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:47:56,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:47:56,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1206ce3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56, skipping insertion in model container [2019-11-25 08:47:56,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:47:56,131 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:47:56,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:56,519 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:47:56,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:47:56,615 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:47:56,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56 WrapperNode [2019-11-25 08:47:56,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:47:56,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:56,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:47:56,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:47:56,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,637 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:47:56,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:47:56,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:47:56,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:47:56,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... [2019-11-25 08:47:56,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:47:56,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:47:56,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:47:56,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:47:56,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:47:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:47:56,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:47:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:47:56,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:47:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:47:57,025 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:47:57,025 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:47:57,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:57 BoogieIcfgContainer [2019-11-25 08:47:57,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:47:57,027 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:47:57,027 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:47:57,029 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:47:57,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:47:57,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:47:56" (1/3) ... [2019-11-25 08:47:57,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd9ce3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:47:57, skipping insertion in model container [2019-11-25 08:47:57,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:47:57,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:47:56" (2/3) ... [2019-11-25 08:47:57,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bd9ce3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:47:57, skipping insertion in model container [2019-11-25 08:47:57,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:47:57,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:57" (3/3) ... [2019-11-25 08:47:57,033 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncmp-alloca-2.i [2019-11-25 08:47:57,071 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:47:57,072 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:47:57,072 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:47:57,072 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:47:57,073 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:47:57,073 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:47:57,073 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:47:57,074 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:47:57,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:47:57,105 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:47:57,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:57,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:57,110 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:47:57,110 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:47:57,110 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:47:57,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-25 08:47:57,111 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:47:57,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:57,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:57,112 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:47:57,112 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:47:57,117 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 8#L565true assume !(main_~length1~0 < 1); 13#L565-2true assume !(main_~length2~0 < 1); 7#L568-1true call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet17;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 17#L550true assume !(0 == cstrncmp_~n); 4#L552-5true [2019-11-25 08:47:57,118 INFO L796 eck$LassoCheckResult]: Loop: 4#L552-5true cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 14#L552-1true assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 20#L552-3true assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~short5;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 11#L553true assume cstrncmp_#t~short7; 15#L553-2true assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 4#L552-5true [2019-11-25 08:47:57,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:57,122 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2019-11-25 08:47:57,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:57,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046527310] [2019-11-25 08:47:57,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,265 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:57,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:57,266 INFO L82 PathProgramCache]: Analyzing trace with hash 52587176, now seen corresponding path program 1 times [2019-11-25 08:47:57,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:57,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121631724] [2019-11-25 08:47:57,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:47:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:47:57,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121631724] [2019-11-25 08:47:57,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:47:57,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:47:57,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954829775] [2019-11-25 08:47:57,323 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-25 08:47:57,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:47:57,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:47:57,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:47:57,337 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2019-11-25 08:47:57,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:47:57,371 INFO L93 Difference]: Finished difference Result 19 states and 26 transitions. [2019-11-25 08:47:57,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:47:57,374 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2019-11-25 08:47:57,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:47:57,378 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 11 states and 14 transitions. [2019-11-25 08:47:57,379 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-25 08:47:57,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-25 08:47:57,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-25 08:47:57,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:47:57,381 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-25 08:47:57,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-25 08:47:57,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-25 08:47:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-25 08:47:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-25 08:47:57,404 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-25 08:47:57,404 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-25 08:47:57,404 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:47:57,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-25 08:47:57,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-25 08:47:57,405 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:47:57,405 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:47:57,406 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:47:57,406 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-25 08:47:57,406 INFO L794 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 46#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~malloc15.base, main_#t~malloc15.offset, main_#t~malloc16.base, main_#t~malloc16.offset, main_#t~nondet17, main_#t~ret18, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet13;havoc main_#t~nondet13;main_~length2~0 := main_#t~nondet14;havoc main_#t~nondet14; 47#L565 assume !(main_~length1~0 < 1); 53#L565-2 assume !(main_~length2~0 < 1); 54#L568-1 call main_#t~malloc15.base, main_#t~malloc15.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc15.base, main_#t~malloc15.offset;call main_#t~malloc16.base, main_#t~malloc16.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc16.base, main_#t~malloc16.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet17;havoc cstrncmp_#res;havoc cstrncmp_#t~mem6, cstrncmp_#t~short7, cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~post2, cstrncmp_#t~mem3, cstrncmp_#t~mem4, cstrncmp_#t~short5, cstrncmp_#t~mem10, cstrncmp_#t~mem11, cstrncmp_#t~ite12, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n, cstrncmp_~uc1~0, cstrncmp_~uc2~0;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n;havoc cstrncmp_~uc1~0;havoc cstrncmp_~uc2~0; 56#L550 assume !(0 == cstrncmp_~n); 50#L552-5 [2019-11-25 08:47:57,406 INFO L796 eck$LassoCheckResult]: Loop: 50#L552-5 cstrncmp_#t~post2 := cstrncmp_~n;cstrncmp_~n := cstrncmp_#t~post2 - 1;cstrncmp_#t~short5 := cstrncmp_#t~post2 > 0; 51#L552-1 assume cstrncmp_#t~short5;call cstrncmp_#t~mem3 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);call cstrncmp_#t~mem4 := read~int(cstrncmp_~s2.base, cstrncmp_~s2.offset, 1);cstrncmp_#t~short5 := cstrncmp_#t~mem3 == cstrncmp_#t~mem4; 55#L552-3 assume !!cstrncmp_#t~short5;havoc cstrncmp_#t~post2;havoc cstrncmp_#t~mem3;havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~short5;cstrncmp_#t~short7 := 0 == cstrncmp_~n; 48#L553 assume !cstrncmp_#t~short7;call cstrncmp_#t~mem6 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~short7 := 0 == cstrncmp_#t~mem6; 49#L553-2 assume !cstrncmp_#t~short7;havoc cstrncmp_#t~mem6;havoc cstrncmp_#t~short7;cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post8.base, 1 + cstrncmp_#t~post8.offset;havoc cstrncmp_#t~post8.base, cstrncmp_#t~post8.offset;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 50#L552-5 [2019-11-25 08:47:57,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:57,407 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 2 times [2019-11-25 08:47:57,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:57,407 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958153092] [2019-11-25 08:47:57,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:57,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,456 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:57,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:57,457 INFO L82 PathProgramCache]: Analyzing trace with hash 52587238, now seen corresponding path program 1 times [2019-11-25 08:47:57,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:57,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723294217] [2019-11-25 08:47:57,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,480 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:57,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:47:57,481 INFO L82 PathProgramCache]: Analyzing trace with hash -2120298631, now seen corresponding path program 1 times [2019-11-25 08:47:57,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:47:57,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589654391] [2019-11-25 08:47:57,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:47:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:47:57,585 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:47:57,812 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2019-11-25 08:47:58,291 WARN L192 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-11-25 08:47:58,453 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-25 08:47:58,463 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:47:58,464 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:47:58,465 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:47:58,468 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:47:58,469 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:47:58,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:58,470 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:47:58,470 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:47:58,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncmp-alloca-2.i_Iteration2_Lasso [2019-11-25 08:47:58,471 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:47:58,471 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:47:58,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:58,979 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-11-25 08:47:59,175 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-25 08:47:59,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:59,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:59,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:59,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:47:59,910 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:47:59,914 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:59,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:47:59,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:59,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:59,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:59,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:59,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:59,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:59,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:59,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:59,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:47:59,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:59,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:59,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:59,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:59,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:59,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:59,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:59,961 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:59,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:47:59,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:59,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:47:59,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:59,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:59,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:59,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:47:59,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:47:59,981 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:59,985 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:47:59,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:47:59,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:47:59,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:47:59,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:47:59,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:47:59,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:47:59,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:47:59,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,007 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:00,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:00,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,058 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:00,093 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 [2019-11-25 08:48:00,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:48:00,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,109 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:00,139 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,143 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,151 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:48:00,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:48:00,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:48:00,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:48:00,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-25 08:48:00,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:48:00,196 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-25 08:48:00,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:48:00,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:48:00,204 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-25 08:48:00,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:48:00,218 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:48:00,267 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-25 08:48:00,267 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_672ef830-4e39-4b30-9c3c-d018f199aa1b/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:48:00,301 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:48:00,326 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-25 08:48:00,326 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:48:00,326 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~n) = 1*ULTIMATE.start_cstrncmp_~n Supporting invariants [] [2019-11-25 08:48:00,376 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2019-11-25 08:48:00,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:48:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:00,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:48:00,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:48:00,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-25 08:48:00,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:48:00,456 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-25 08:48:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:48:00,505 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 [2019-11-25 08:48:00,506 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-25 08:48:00,557 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 6 states. [2019-11-25 08:48:00,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-25 08:48:00,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-25 08:48:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-11-25 08:48:00,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 5 letters. [2019-11-25 08:48:00,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:00,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 11 letters. Loop has 5 letters. [2019-11-25 08:48:00,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:00,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 10 letters. [2019-11-25 08:48:00,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:48:00,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-11-25 08:48:00,563 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:48:00,563 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2019-11-25 08:48:00,563 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:48:00,564 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:48:00,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:48:00,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:48:00,564 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:00,564 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:00,564 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:48:00,564 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-25 08:48:00,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:48:00,564 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:48:00,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:48:00,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:48:00 BoogieIcfgContainer [2019-11-25 08:48:00,569 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:48:00,569 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:00,569 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:00,569 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:00,570 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:47:57" (3/4) ... [2019-11-25 08:48:00,573 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:48:00,573 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:00,574 INFO L168 Benchmark]: Toolchain (without parser) took 4487.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.0 MB in the beginning and 912.6 MB in the end (delta: 29.4 MB). Peak memory consumption was 180.9 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:00,574 INFO L168 Benchmark]: CDTParser took 0.61 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. [2019-11-25 08:48:00,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:00,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:00,579 INFO L168 Benchmark]: Boogie Preprocessor took 24.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:00,581 INFO L168 Benchmark]: RCFGBuilder took 344.63 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:00,582 INFO L168 Benchmark]: BuchiAutomizer took 3542.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.6 MB in the end (delta: 193.7 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:00,582 INFO L168 Benchmark]: Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 912.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:00,589 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 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 529.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -192.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.57 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 24.24 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 344.63 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3542.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 912.6 MB in the end (delta: 193.7 MB). Peak memory consumption was 193.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.58 ms. Allocated memory is still 1.2 GB. Free memory is still 912.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 12 SDslu, 23 SDs, 0 SdLazy, 15 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital231 mio100 ax107 hnf99 lsp81 ukn85 mio100 lsp43 div100 bol100 ite100 ukn100 eq192 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 135ms VariablesStem: 3 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...