./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 4aab5dc49efb2008f48b80e5d09bedb13ca5cefa .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:54:48,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:54:48,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:54:48,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:54:48,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:54:48,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:54:48,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:54:48,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:54:48,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:54:48,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:54:48,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:54:48,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:54:48,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:54:48,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:54:48,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:54:48,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:54:48,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:54:48,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:54:48,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:54:48,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:54:48,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:54:48,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:54:48,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:54:48,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:54:48,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:54:48,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:54:48,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:54:48,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:54:48,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:54:48,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:54:48,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:54:48,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:54:48,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:54:48,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:54:48,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:54:48,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:54:48,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:54:48,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:54:48,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:54:48,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:54:48,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:54:48,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 09:54:48,388 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:54:48,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:54:48,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:54:48,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:54:48,403 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:54:48,403 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:54:48,404 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:54:48,404 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:54:48,404 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:54:48,404 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:54:48,405 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:54:48,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:54:48,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:54:48,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:54:48,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:54:48,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:54:48,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:54:48,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:54:48,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:54:48,407 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:54:48,407 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:54:48,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:54:48,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:54:48,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:54:48,409 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:54:48,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:54:48,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:54:48,410 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:54:48,410 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:54:48,411 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_40a33690-cc73-4810-946c-9f0817bbd8ae/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 -> 4aab5dc49efb2008f48b80e5d09bedb13ca5cefa [2019-11-20 09:54:48,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:54:48,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:54:48,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:54:48,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:54:48,659 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:54:48,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2019-11-20 09:54:48,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/data/ba65ab445/f127c9d2d20c478dba61b8351f7c7705/FLAG5110d6f5a [2019-11-20 09:54:49,260 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:54:49,264 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2019-11-20 09:54:49,282 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/data/ba65ab445/f127c9d2d20c478dba61b8351f7c7705/FLAG5110d6f5a [2019-11-20 09:54:49,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/bin/uautomizer/data/ba65ab445/f127c9d2d20c478dba61b8351f7c7705 [2019-11-20 09:54:49,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:54:49,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:54:49,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:54:49,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:54:49,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:54:49,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:54:49" (1/1) ... [2019-11-20 09:54:49,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4319f2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:49, skipping insertion in model container [2019-11-20 09:54:49,592 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:54:49" (1/1) ... [2019-11-20 09:54:49,600 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:54:49,652 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:54:50,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:54:50,127 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:54:50,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:54:50,237 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:54:50,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50 WrapperNode [2019-11-20 09:54:50,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:54:50,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:54:50,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:54:50,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:54:50,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:54:50,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:54:50,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:54:50,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:54:50,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... [2019-11-20 09:54:50,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:54:50,317 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:54:50,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:54:50,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:54:50,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 09:54:50,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 09:54:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 09:54:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 09:54:50,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:54:50,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:54:50,691 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:54:50,691 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 09:54:50,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:54:50 BoogieIcfgContainer [2019-11-20 09:54:50,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:54:50,693 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:54:50,693 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:54:50,697 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:54:50,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:54:50,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:54:49" (1/3) ... [2019-11-20 09:54:50,709 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63614211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:54:50, skipping insertion in model container [2019-11-20 09:54:50,709 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:54:50,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:54:50" (2/3) ... [2019-11-20 09:54:50,710 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63614211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:54:50, skipping insertion in model container [2019-11-20 09:54:50,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:54:50,710 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:54:50" (3/3) ... [2019-11-20 09:54:50,712 INFO L371 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-1.i [2019-11-20 09:54:50,780 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:54:50,781 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:54:50,781 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:54:50,781 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:54:50,781 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:54:50,782 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:54:50,782 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:54:50,782 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:54:50,798 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-20 09:54:50,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 09:54:50,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:54:50,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:54:50,827 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 09:54:50,827 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 09:54:50,827 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:54:50,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-20 09:54:50,829 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 09:54:50,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:54:50,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:54:50,830 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-20 09:54:50,830 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-20 09:54:50,837 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~nondet9, main_#t~ret10, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 10#L562true assume !(main_~length1~0 < 1); 14#L562-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet8 % 256 <= 127 then main_#t~nondet8 % 256 else main_#t~nondet8 % 256 - 256), (if main_#t~nondet9 % 256 <= 127 then main_#t~nondet9 % 256 else main_#t~nondet9 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 3#L551-3true [2019-11-20 09:54:50,837 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 12#L551-1true assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 9#L552true assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 13#L552-2true cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 3#L551-3true [2019-11-20 09:54:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:54:50,843 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-20 09:54:50,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:54:50,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142694760] [2019-11-20 09:54:50,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:54:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:54:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:54:51,038 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:54:51,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:54:51,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1359562, now seen corresponding path program 1 times [2019-11-20 09:54:51,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:54:51,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149157455] [2019-11-20 09:54:51,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:54:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:54:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:54:51,081 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:54:51,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:54:51,084 INFO L82 PathProgramCache]: Analyzing trace with hash 176704686, now seen corresponding path program 1 times [2019-11-20 09:54:51,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:54:51,084 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641237109] [2019-11-20 09:54:51,085 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:54:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:54:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:54:51,189 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:54:51,599 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2019-11-20 09:54:52,196 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-11-20 09:54:52,215 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:54:52,216 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:54:52,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:54:52,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:54:52,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:54:52,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:54:52,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:54:52,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:54:52,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-1.i_Iteration1_Lasso [2019-11-20 09:54:52,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:54:52,220 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:54:52,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:52,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-20 09:54:53,446 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-11-20 09:54:53,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:53,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:53,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 09:54:54,198 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-20 09:54:54,443 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-20 09:54:54,498 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:54:54,506 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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) [2019-11-20 09:54:54,525 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 [2019-11-20 09:54:54,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:54:54,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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) [2019-11-20 09:54:54,558 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 [2019-11-20 09:54:54,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:54:54,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,582 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 [2019-11-20 09:54:54,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:54:54,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,601 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 [2019-11-20 09:54:54,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:54:54,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,624 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 [2019-11-20 09:54:54,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:54:54,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,644 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 [2019-11-20 09:54:54,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:54:54,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,665 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 [2019-11-20 09:54:54,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:54:54,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,700 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 [2019-11-20 09:54:54,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:54:54,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,721 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 [2019-11-20 09:54:54,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:54:54,733 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,749 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 [2019-11-20 09:54:54,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:54:54,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,781 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 [2019-11-20 09:54:54,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:54:54,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:54:54,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:54:54,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,800 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 [2019-11-20 09:54:54,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:54:54,814 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,829 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 [2019-11-20 09:54:54,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:54:54,856 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:54,876 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 [2019-11-20 09:54:54,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,882 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-20 09:54:54,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,888 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-20 09:54:54,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:54:54,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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) [2019-11-20 09:54:54,913 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 [2019-11-20 09:54:54,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:54:54,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:54:54,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:54:54,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:54:54,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:54:54,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:54:54,944 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:54:55,172 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-20 09:54:55,172 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 19 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_40a33690-cc73-4810-946c-9f0817bbd8ae/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 [2019-11-20 09:54:55,206 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:54:55,209 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-20 09:54:55,210 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:54:55,210 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstrreplace_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstrreplace_~p~0.offset Supporting invariants [] [2019-11-20 09:54:55,236 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-20 09:54:55,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-20 09:54:55,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:54:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:54:55,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 09:54:55,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:54:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:54:55,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 09:54:55,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:54:55,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:54:55,389 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 09:54:55,391 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2019-11-20 09:54:55,515 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 24 states and 29 transitions. Complement of second has 6 states. [2019-11-20 09:54:55,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 09:54:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 09:54:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2019-11-20 09:54:55,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 09:54:55,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:54:55,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-20 09:54:55,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:54:55,523 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2019-11-20 09:54:55,524 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:54:55,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-11-20 09:54:55,527 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:54:55,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-11-20 09:54:55,533 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:54:55,533 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:54:55,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:54:55,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:54:55,544 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:54:55,544 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:54:55,544 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:54:55,545 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:54:55,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:54:55,545 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:54:55,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:54:55,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:54:55 BoogieIcfgContainer [2019-11-20 09:54:55,552 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:54:55,553 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:54:55,553 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:54:55,553 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:54:55,554 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:54:50" (3/4) ... [2019-11-20 09:54:55,564 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:54:55,565 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:54:55,566 INFO L168 Benchmark]: Toolchain (without parser) took 5987.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 950.2 MB in the beginning and 1.2 GB in the end (delta: -228.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:54:55,567 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:54:55,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 09:54:55,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.29 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. [2019-11-20 09:54:55,571 INFO L168 Benchmark]: Boogie Preprocessor took 29.61 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. [2019-11-20 09:54:55,576 INFO L168 Benchmark]: RCFGBuilder took 376.08 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. [2019-11-20 09:54:55,578 INFO L168 Benchmark]: BuchiAutomizer took 4859.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:54:55,578 INFO L168 Benchmark]: Witness Printer took 12.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:54:55,583 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 966.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 658.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 950.2 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.29 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 29.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 376.08 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 4859.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -74.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 12.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #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 unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital508 mio100 ax103 hnf98 lsp43 ukn167 mio100 lsp15 div138 bol100 ite100 ukn100 eq157 hnf71 smp81 dnf228 smp53 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 5 VariablesLoop: 0 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...