./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 41c98898a531fb0ee2da225b716afd5dc80c24b1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:07:36,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:07:36,392 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:07:36,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:07:36,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:07:36,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:07:36,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:07:36,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:07:36,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:07:36,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:07:36,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:07:36,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:07:36,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:07:36,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:07:36,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:07:36,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:07:36,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:07:36,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:07:36,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:07:36,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:07:36,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:07:36,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:07:36,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:07:36,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:07:36,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:07:36,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:07:36,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:07:36,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:07:36,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:07:36,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:07:36,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:07:36,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:07:36,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:07:36,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:07:36,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:07:36,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:07:36,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:07:36,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:07:36,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:07:36,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:07:36,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:07:36,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:07:36,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:07:36,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:07:36,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:07:36,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:07:36,447 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:07:36,447 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:07:36,447 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:07:36,447 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:07:36,447 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:07:36,448 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:07:36,448 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:07:36,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:07:36,448 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:07:36,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:07:36,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:07:36,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:07:36,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:07:36,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:07:36,450 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:07:36,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:07:36,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:07:36,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:07:36,450 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:07:36,451 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:07:36,451 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_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 -> 41c98898a531fb0ee2da225b716afd5dc80c24b1 [2019-12-07 17:07:36,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:07:36,571 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:07:36,574 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:07:36,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:07:36,575 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:07:36,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2019-12-07 17:07:36,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/data/a1748c886/2088c3174e1b48c89b04d61207423661/FLAG128a20876 [2019-12-07 17:07:36,971 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:07:36,972 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2019-12-07 17:07:36,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/data/a1748c886/2088c3174e1b48c89b04d61207423661/FLAG128a20876 [2019-12-07 17:07:36,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/bin/uautomizer/data/a1748c886/2088c3174e1b48c89b04d61207423661 [2019-12-07 17:07:36,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:07:36,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:07:36,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:07:36,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:07:36,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:07:36,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:07:36" (1/1) ... [2019-12-07 17:07:36,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94b310b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:36, skipping insertion in model container [2019-12-07 17:07:36,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:07:36" (1/1) ... [2019-12-07 17:07:37,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:07:37,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:07:37,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:07:37,232 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:07:37,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:07:37,286 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:07:37,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37 WrapperNode [2019-12-07 17:07:37,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:07:37,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:07:37,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:07:37,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:07:37,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:07:37,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:07:37,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:07:37,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:07:37,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... [2019-12-07 17:07:37,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:07:37,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:07:37,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:07:37,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:07:37,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:07:37,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:07:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:07:37,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:07:37,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:07:37,510 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:07:37,510 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:07:37,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:07:37 BoogieIcfgContainer [2019-12-07 17:07:37,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:07:37,512 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:07:37,512 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:07:37,514 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:07:37,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:07:37,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:07:36" (1/3) ... [2019-12-07 17:07:37,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@598566a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:07:37, skipping insertion in model container [2019-12-07 17:07:37,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:07:37,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:07:37" (2/3) ... [2019-12-07 17:07:37,516 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@598566a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:07:37, skipping insertion in model container [2019-12-07 17:07:37,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:07:37,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:07:37" (3/3) ... [2019-12-07 17:07:37,517 INFO L371 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemchr-alloca-1.i [2019-12-07 17:07:37,545 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:07:37,545 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:07:37,545 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:07:37,545 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:07:37,545 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:07:37,545 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:07:37,546 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:07:37,546 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:07:37,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 17:07:37,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 17:07:37,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:37,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:37,573 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:07:37,573 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 17:07:37,573 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:07:37,573 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 17:07:37,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 17:07:37,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:07:37,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:07:37,575 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:07:37,575 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-12-07 17:07:37,580 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 6#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 9#L563true assume !(main_~length~0 < 1); 12#L563-2true assume !(main_~n~0 < 1); 5#L566-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemchr_#in~s.base, cmemchr_#in~s.offset, cmemchr_#in~c, cmemchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemchr_#res.base, cmemchr_#res.offset;havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset, cmemchr_#t~mem4, cmemchr_#t~pre2, cmemchr_~p~0.base, cmemchr_~p~0.offset, cmemchr_~s.base, cmemchr_~s.offset, cmemchr_~c, cmemchr_~n;cmemchr_~s.base, cmemchr_~s.offset := cmemchr_#in~s.base, cmemchr_#in~s.offset;cmemchr_~c := cmemchr_#in~c;cmemchr_~n := cmemchr_#in~n; 13#L550true assume 0 != cmemchr_~n % 4294967296;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_~s.base, cmemchr_~s.offset; 3#L552-4true [2019-12-07 17:07:37,580 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true cmemchr_#t~post3.base, cmemchr_#t~post3.offset := cmemchr_~p~0.base, cmemchr_~p~0.offset;cmemchr_~p~0.base, cmemchr_~p~0.offset := cmemchr_#t~post3.base, 1 + cmemchr_#t~post3.offset;call cmemchr_#t~mem4 := read~int(cmemchr_#t~post3.base, cmemchr_#t~post3.offset, 1); 7#L553true assume !(cmemchr_#t~mem4 % 256 == cmemchr_~c % 256);havoc cmemchr_#t~post3.base, cmemchr_#t~post3.offset;havoc cmemchr_#t~mem4; 10#L552-1true cmemchr_#t~pre2 := cmemchr_~n - 1;cmemchr_~n := cmemchr_~n - 1; 14#L552-2true assume !!(0 != cmemchr_#t~pre2 % 4294967296);havoc cmemchr_#t~pre2; 3#L552-4true [2019-12-07 17:07:37,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:37,584 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2019-12-07 17:07:37,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:37,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489600563] [2019-12-07 17:07:37,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:37,683 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:37,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:37,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2019-12-07 17:07:37,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:37,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956695891] [2019-12-07 17:07:37,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:37,708 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:37,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:37,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2019-12-07 17:07:37,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:07:37,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20949858] [2019-12-07 17:07:37,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:07:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:07:37,760 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:07:37,972 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-12-07 17:07:38,034 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:07:38,034 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:07:38,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:07:38,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:07:38,035 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:07:38,035 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:38,035 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:07:38,035 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:07:38,035 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemchr-alloca-1.i_Iteration1_Lasso [2019-12-07 17:07:38,035 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:07:38,035 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:07:38,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:07:38,413 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2019-12-07 17:07:38,689 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:07:38,693 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,698 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 [2019-12-07 17:07:38,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,709 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 [2019-12-07 17:07:38,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,713 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,717 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 [2019-12-07 17:07:38,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,724 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 [2019-12-07 17:07:38,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,725 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,730 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 [2019-12-07 17:07:38,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,734 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:38,738 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 [2019-12-07 17:07:38,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,739 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,741 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,745 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 [2019-12-07 17:07:38,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,752 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 [2019-12-07 17:07:38,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:07:38,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:07:38,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:07:38,755 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:38,758 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 [2019-12-07 17:07:38,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:38,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:38,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,772 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 [2019-12-07 17:07:38,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:38,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:38,778 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:07:38,781 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 [2019-12-07 17:07:38,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:38,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:38,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,792 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 [2019-12-07 17:07:38,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,793 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 17:07:38,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,809 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 17:07:38,809 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 17:07:38,830 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,834 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 [2019-12-07 17:07:38,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:38,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:38,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,851 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 [2019-12-07 17:07:38,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:38,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:38,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,867 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 [2019-12-07 17:07:38,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:07:38,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:07:38,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:07:38,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:07:38,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:07:38,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:07:38,891 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:07:38,923 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-12-07 17:07:38,923 INFO L444 ModelExtractionUtils]: 11 out of 34 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_324d1ebf-f90e-4df7-aa97-a789995e2bcf/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 [2019-12-07 17:07:38,927 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:07:38,929 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-12-07 17:07:38,930 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:07:38,930 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemchr_~p~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1) = -1*ULTIMATE.start_cmemchr_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 Supporting invariants [] [2019-12-07 17:07:38,942 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2019-12-07 17:07:38,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-07 17:07:38,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:07:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:38,989 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 17:07:38,991 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:07:39,016 INFO L264 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 11 conjunts are in the unsatisfiable core [2019-12-07 17:07:39,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:07:39,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:07:39,054 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-12-07 17:07:39,055 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2019-12-07 17:07:39,101 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 32 states and 37 transitions. Complement of second has 7 states. [2019-12-07 17:07:39,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 17:07:39,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 17:07:39,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-12-07 17:07:39,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 17:07:39,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:07:39,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 17:07:39,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:07:39,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 8 letters. [2019-12-07 17:07:39,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:07:39,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-12-07 17:07:39,109 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:07:39,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2019-12-07 17:07:39,112 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:07:39,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:07:39,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:07:39,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:07:39,112 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:07:39,113 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:07:39,113 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:07:39,113 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:07:39,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:07:39,113 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:07:39,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:07:39,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:07:39 BoogieIcfgContainer [2019-12-07 17:07:39,117 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:07:39,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:07:39,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:07:39,118 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:07:39,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:07:37" (3/4) ... [2019-12-07 17:07:39,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:07:39,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:07:39,121 INFO L168 Benchmark]: Toolchain (without parser) took 2127.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 946.0 MB in the beginning and 982.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:39,122 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:07:39,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:39,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:07:39,123 INFO L168 Benchmark]: Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:39,123 INFO L168 Benchmark]: RCFGBuilder took 179.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:39,124 INFO L168 Benchmark]: BuchiAutomizer took 1605.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.4 MB in the end (delta: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:07:39,124 INFO L168 Benchmark]: Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:07:39,126 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 293.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -139.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.86 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 179.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1605.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 982.4 MB in the end (delta: 75.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.01 ms. Allocated memory is still 1.1 GB. Free memory is still 982.4 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 #length * 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 * p + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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: 16 SDtfs, 16 SDslu, 12 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital138 mio100 ax113 hnf98 lsp82 ukn99 mio100 lsp55 div208 bol100 ite100 ukn100 eq168 hnf64 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...