./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/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 a25db066a60bbc1bb3542b52091e202af08e4b7e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:36:07,530 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:36:07,531 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:36:07,538 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:36:07,539 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:36:07,539 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:36:07,540 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:36:07,541 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:36:07,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:36:07,543 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:36:07,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:36:07,543 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:36:07,544 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:36:07,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:36:07,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:36:07,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:36:07,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:36:07,548 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:36:07,549 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:36:07,550 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:36:07,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:36:07,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:36:07,553 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:36:07,553 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:36:07,554 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:36:07,554 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:36:07,555 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:36:07,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:36:07,556 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:36:07,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:36:07,557 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:36:07,557 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:36:07,558 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:36:07,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:36:07,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:36:07,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:36:07,559 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-22 21:36:07,570 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:36:07,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:36:07,571 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:36:07,571 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:36:07,571 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 21:36:07,571 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 21:36:07,571 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 21:36:07,571 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 21:36:07,572 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 21:36:07,572 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 21:36:07,572 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 21:36:07,572 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:36:07,572 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 21:36:07,572 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:36:07,572 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:36:07,573 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 21:36:07,573 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:36:07,574 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:36:07,574 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 21:36:07,574 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:36:07,574 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 21:36:07,574 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 21:36:07,575 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 21:36:07,575 INFO L133 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/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/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 -> a25db066a60bbc1bb3542b52091e202af08e4b7e [2018-11-22 21:36:07,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:36:07,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:36:07,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:36:07,610 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:36:07,610 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:36:07,611 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca_true-termination.c.i [2018-11-22 21:36:07,650 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/data/6f6d27bc3/5587313893f54c1191ac557d741b5582/FLAG1fe259239 [2018-11-22 21:36:08,084 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:36:08,085 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/sv-benchmarks/c/termination-memory-alloca/cstrcmp-alloca_true-termination.c.i [2018-11-22 21:36:08,093 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/data/6f6d27bc3/5587313893f54c1191ac557d741b5582/FLAG1fe259239 [2018-11-22 21:36:08,103 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/uautomizer/data/6f6d27bc3/5587313893f54c1191ac557d741b5582 [2018-11-22 21:36:08,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:36:08,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:36:08,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:36:08,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:36:08,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:36:08,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15405566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08, skipping insertion in model container [2018-11-22 21:36:08,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:36:08,149 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:36:08,361 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:36:08,368 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:36:08,450 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:36:08,484 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:36:08,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08 WrapperNode [2018-11-22 21:36:08,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:36:08,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:36:08,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:36:08,485 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:36:08,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:36:08,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:36:08,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:36:08,515 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:36:08,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... [2018-11-22 21:36:08,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:36:08,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:36:08,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:36:08,532 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:36:08,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd9f9630-939a-4266-97c5-27d44b593057/bin-2019/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 [2018-11-22 21:36:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:36:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 21:36:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 21:36:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 21:36:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:36:08,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:36:08,810 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:36:08,811 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 21:36:08,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:36:08 BoogieIcfgContainer [2018-11-22 21:36:08,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:36:08,811 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 21:36:08,812 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 21:36:08,815 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 21:36:08,816 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 21:36:08,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 09:36:08" (1/3) ... [2018-11-22 21:36:08,817 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63d8177b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 09:36:08, skipping insertion in model container [2018-11-22 21:36:08,817 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 21:36:08,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:36:08" (2/3) ... [2018-11-22 21:36:08,818 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63d8177b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 09:36:08, skipping insertion in model container [2018-11-22 21:36:08,818 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 21:36:08,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:36:08" (3/3) ... [2018-11-22 21:36:08,821 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcmp-alloca_true-termination.c.i [2018-11-22 21:36:08,874 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 21:36:08,875 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 21:36:08,875 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 21:36:08,875 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 21:36:08,875 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:36:08,876 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:36:08,876 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 21:36:08,876 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:36:08,876 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 21:36:08,890 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-22 21:36:08,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 21:36:08,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 21:36:08,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 21:36:08,916 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-22 21:36:08,916 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 21:36:08,917 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 21:36:08,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-22 21:36:08,918 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 21:36:08,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 21:36:08,918 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 21:36:08,919 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-22 21:36:08,919 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 21:36:08,927 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 8#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 13#L561true assume !(main_~length1~0 < 1); 17#L561-2true assume !(main_~length2~0 < 1); 11#L564-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 5#L550-5true [2018-11-22 21:36:08,927 INFO L796 eck$LassoCheckResult]: Loop: 5#L550-5true call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 16#L550-1true assume cstrcmp_#t~short5;call cstrcmp_#t~mem3 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);call cstrcmp_#t~mem4 := read~int(cstrcmp_~s2.base, cstrcmp_~s2.offset, 1);cstrcmp_#t~short5 := cstrcmp_#t~mem3 == cstrcmp_#t~mem4; 3#L550-3true assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~short5;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~mem3;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 5#L550-5true [2018-11-22 21:36:08,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:36:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2018-11-22 21:36:08,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:36:08,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:36:08,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:08,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:36:08,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:09,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:36:09,059 INFO L82 PathProgramCache]: Analyzing trace with hash 49755, now seen corresponding path program 1 times [2018-11-22 21:36:09,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:36:09,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:36:09,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:09,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:36:09,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:09,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:36:09,080 INFO L82 PathProgramCache]: Analyzing trace with hash 180429558, now seen corresponding path program 1 times [2018-11-22 21:36:09,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:36:09,080 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:36:09,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:09,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:36:09,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:09,244 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2018-11-22 21:36:09,478 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 76 [2018-11-22 21:36:09,551 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 21:36:09,552 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 21:36:09,552 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 21:36:09,552 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 21:36:09,553 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 21:36:09,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 21:36:09,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 21:36:09,553 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 21:36:09,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcmp-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-22 21:36:09,553 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 21:36:09,553 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 21:36:09,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,799 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2018-11-22 21:36:09,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:09,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 21:36:10,309 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 21:36:10,314 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 21:36:10,315 INFO L122 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 [2018-11-22 21:36:10,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,317 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-22 21:36:10,317 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 21:36:10,317 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,323 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 21:36:10,323 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 21:36:10,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 21:36:10,346 INFO L122 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 [2018-11-22 21:36:10,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 21:36:10,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 21:36:10,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,349 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 21:36:10,349 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 21:36:10,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 21:36:10,362 INFO L122 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 [2018-11-22 21:36:10,362 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,363 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-22 21:36:10,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 21:36:10,363 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,366 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 21:36:10,367 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 21:36:10,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 21:36:10,384 INFO L122 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 [2018-11-22 21:36:10,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 21:36:10,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 21:36:10,385 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,386 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 21:36:10,387 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 21:36:10,390 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 21:36:10,391 INFO L122 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 [2018-11-22 21:36:10,391 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 21:36:10,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 21:36:10,392 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,393 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 21:36:10,395 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 21:36:10,397 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 21:36:10,397 INFO L122 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 [2018-11-22 21:36:10,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,398 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 21:36:10,398 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 21:36:10,398 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 21:36:10,398 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,399 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 21:36:10,399 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 21:36:10,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 21:36:10,402 INFO L122 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 [2018-11-22 21:36:10,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 21:36:10,405 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 21:36:10,405 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 21:36:10,405 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 21:36:10,410 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 21:36:10,410 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 21:36:10,454 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 21:36:10,496 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 21:36:10,496 INFO L444 ModelExtractionUtils]: 32 out of 37 variables were initially zero. Simplification set additionally 2 variables to zero. [2018-11-22 21:36:10,498 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 21:36:10,499 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-22 21:36:10,499 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 21:36:10,500 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1, ULTIMATE.start_cstrcmp_~s1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 - 1*ULTIMATE.start_cstrcmp_~s1.offset Supporting invariants [] [2018-11-22 21:36:10,551 INFO L297 tatePredicateManager]: 14 out of 16 supporting invariants were superfluous and have been removed [2018-11-22 21:36:10,559 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-22 21:36:10,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:36:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:36:10,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:36:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:36:10,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:36:10,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:36:10,648 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 [2018-11-22 21:36:10,649 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2018-11-22 21:36:10,718 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 36 states and 49 transitions. Complement of second has 8 states. [2018-11-22 21:36:10,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-22 21:36:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-22 21:36:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2018-11-22 21:36:10,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-22 21:36:10,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 21:36:10,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 8 letters. Loop has 3 letters. [2018-11-22 21:36:10,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 21:36:10,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 5 letters. Loop has 6 letters. [2018-11-22 21:36:10,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 21:36:10,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2018-11-22 21:36:10,727 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 21:36:10,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 15 states and 20 transitions. [2018-11-22 21:36:10,731 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2018-11-22 21:36:10,731 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2018-11-22 21:36:10,732 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2018-11-22 21:36:10,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-22 21:36:10,732 INFO L705 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2018-11-22 21:36:10,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2018-11-22 21:36:10,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2018-11-22 21:36:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-22 21:36:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2018-11-22 21:36:10,752 INFO L728 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2018-11-22 21:36:10,752 INFO L608 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2018-11-22 21:36:10,752 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 21:36:10,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2018-11-22 21:36:10,753 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 21:36:10,753 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 21:36:10,753 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 21:36:10,754 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-22 21:36:10,754 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 21:36:10,754 INFO L794 eck$LassoCheckResult]: Stem: 178#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 172#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~ret15, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 173#L561 assume !(main_~length1~0 < 1); 183#L561-2 assume !(main_~length2~0 < 1); 179#L564-1 call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.alloc(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset, cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrcmp_#res;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset, cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset, cstrcmp_#t~mem2, cstrcmp_#t~mem3, cstrcmp_#t~mem4, cstrcmp_#t~short5, cstrcmp_#t~mem8, cstrcmp_#t~mem9, cstrcmp_#t~ite10, cstrcmp_~s1.base, cstrcmp_~s1.offset, cstrcmp_~s2.base, cstrcmp_~s2.offset, cstrcmp_~uc1~0, cstrcmp_~uc2~0;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#in~s1.base, cstrcmp_#in~s1.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#in~s2.base, cstrcmp_#in~s2.offset;havoc cstrcmp_~uc1~0;havoc cstrcmp_~uc2~0; 180#L550-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 181#L550-1 [2018-11-22 21:36:10,754 INFO L796 eck$LassoCheckResult]: Loop: 181#L550-1 assume !cstrcmp_#t~short5; 174#L550-3 assume !!cstrcmp_#t~short5;havoc cstrcmp_#t~mem2;havoc cstrcmp_#t~short5;havoc cstrcmp_#t~mem4;havoc cstrcmp_#t~mem3;cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset := cstrcmp_~s1.base, cstrcmp_~s1.offset;cstrcmp_~s1.base, cstrcmp_~s1.offset := cstrcmp_#t~post6.base, 1 + cstrcmp_#t~post6.offset;havoc cstrcmp_#t~post6.base, cstrcmp_#t~post6.offset;cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset := cstrcmp_~s2.base, cstrcmp_~s2.offset;cstrcmp_~s2.base, cstrcmp_~s2.offset := cstrcmp_#t~post7.base, 1 + cstrcmp_#t~post7.offset;havoc cstrcmp_#t~post7.base, cstrcmp_#t~post7.offset; 175#L550-5 call cstrcmp_#t~mem2 := read~int(cstrcmp_~s1.base, cstrcmp_~s1.offset, 1);cstrcmp_#t~short5 := 0 != cstrcmp_#t~mem2; 181#L550-1 [2018-11-22 21:36:10,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:36:10,754 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2018-11-22 21:36:10,755 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:36:10,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:36:10,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:10,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:36:10,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 21:36:10,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:36:10,775 INFO L82 PathProgramCache]: Analyzing trace with hash 54797, now seen corresponding path program 1 times [2018-11-22 21:36:10,775 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 21:36:10,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 21:36:10,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:10,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:36:10,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:36:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:36:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:36:10,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:36:10,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 21:36:10,814 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-22 21:36:10,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:36:10,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:36:10,817 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand 3 states. [2018-11-22 21:36:10,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:36:10,832 INFO L93 Difference]: Finished difference Result 12 states and 15 transitions. [2018-11-22 21:36:10,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:36:10,833 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2018-11-22 21:36:10,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 21:36:10,834 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-22 21:36:10,834 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 21:36:10,834 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 21:36:10,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 21:36:10,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 21:36:10,834 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:36:10,835 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:36:10,835 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:36:10,835 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-22 21:36:10,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:36:10,835 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 21:36:10,835 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 21:36:10,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 09:36:10 BoogieIcfgContainer [2018-11-22 21:36:10,841 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 21:36:10,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:36:10,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:36:10,841 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:36:10,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:36:08" (3/4) ... [2018-11-22 21:36:10,844 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 21:36:10,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:36:10,845 INFO L168 Benchmark]: Toolchain (without parser) took 2739.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.5 MB in the beginning and 998.7 MB in the end (delta: -43.3 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-22 21:36:10,846 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:36:10,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:36:10,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:36:10,847 INFO L168 Benchmark]: Boogie Preprocessor took 17.40 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. [2018-11-22 21:36:10,848 INFO L168 Benchmark]: RCFGBuilder took 278.89 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. [2018-11-22 21:36:10,848 INFO L168 Benchmark]: BuchiAutomizer took 2029.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.7 MB in the end (delta: 85.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:36:10,849 INFO L168 Benchmark]: Witness Printer took 3.43 ms. Allocated memory is still 1.2 GB. Free memory is still 998.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:36:10,851 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -156.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.40 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 278.89 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 2029.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.7 MB in the end (delta: 85.6 MB). Peak memory consumption was 85.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.43 ms. Allocated memory is still 1.2 GB. Free memory is still 998.7 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 23 SDtfs, 21 SDslu, 13 SDs, 0 SdLazy, 17 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital208 mio100 ax108 hnf99 lsp89 ukn85 mio100 lsp42 div100 bol100 ite100 ukn100 eq190 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 4 VariablesLoop: 4 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...