./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.25-8bd4bc6 [2020-07-29 01:37:05,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:37:05,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:37:05,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:37:05,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:37:05,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:37:05,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:37:05,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:37:05,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:37:05,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:37:05,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:37:05,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:37:05,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:37:05,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:37:05,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:37:05,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:37:05,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:37:05,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:37:05,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:37:05,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:37:05,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:37:05,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:37:05,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:37:05,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:37:05,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:37:05,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:37:05,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:37:05,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:37:05,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:37:05,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:37:05,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:37:05,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:37:05,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:37:05,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:37:05,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:37:05,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:37:05,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:37:05,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:37:05,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:37:05,076 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:37:05,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:37:05,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:37:05,095 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:37:05,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:37:05,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:37:05,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:37:05,097 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:37:05,097 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:37:05,097 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:37:05,098 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:37:05,098 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:37:05,098 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:37:05,098 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:37:05,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:37:05,099 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:37:05,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:37:05,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:37:05,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:37:05,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:37:05,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:37:05,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:37:05,101 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:37:05,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:37:05,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:37:05,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:37:05,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:37:05,102 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:37:05,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:37:05,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:37:05,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:37:05,103 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:37:05,104 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:37:05,104 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-07-29 01:37:05,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:37:05,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:37:05,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:37:05,437 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:37:05,437 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:37:05,438 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2020-07-29 01:37:05,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397755fc9/50373c179d8d4e20b2dee7c0213d6ac1/FLAGc50a477e8 [2020-07-29 01:37:06,042 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:37:06,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2020-07-29 01:37:06,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397755fc9/50373c179d8d4e20b2dee7c0213d6ac1/FLAGc50a477e8 [2020-07-29 01:37:06,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/397755fc9/50373c179d8d4e20b2dee7c0213d6ac1 [2020-07-29 01:37:06,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:37:06,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:37:06,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:37:06,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:37:06,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:37:06,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:06,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49008148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06, skipping insertion in model container [2020-07-29 01:37:06,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:06,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:37:06,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:37:06,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:37:06,863 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:37:06,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:37:06,982 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:37:06,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06 WrapperNode [2020-07-29 01:37:06,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:37:06,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:37:06,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:37:06,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:37:06,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,032 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:37:07,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:37:07,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:37:07,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:37:07,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... [2020-07-29 01:37:07,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:37:07,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:37:07,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:37:07,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:37:07,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:37:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:37:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:37:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:37:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:37:07,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:37:07,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:37:07,506 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:37:07,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:07 BoogieIcfgContainer [2020-07-29 01:37:07,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:37:07,511 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:37:07,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:37:07,514 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:37:07,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:07,515 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:37:06" (1/3) ... [2020-07-29 01:37:07,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7de7742e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:37:07, skipping insertion in model container [2020-07-29 01:37:07,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:07,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:37:06" (2/3) ... [2020-07-29 01:37:07,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7de7742e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:37:07, skipping insertion in model container [2020-07-29 01:37:07,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:37:07,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:07" (3/3) ... [2020-07-29 01:37:07,519 INFO L371 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-1.i [2020-07-29 01:37:07,565 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:37:07,566 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:37:07,566 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:37:07,566 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:37:07,567 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:37:07,567 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:37:07,567 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:37:07,567 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:37:07,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:37:07,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:37:07,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:07,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:07,607 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:37:07,607 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-29 01:37:07,607 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:37:07,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:37:07,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:37:07,611 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:07,611 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:07,611 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:37:07,611 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-29 01:37:07,618 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~nondet9, main_#t~ret10, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 10#L562true assume !(main_~length1~0 < 1); 14#L562-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet8 % 256 <= 127 then main_#t~nondet8 % 256 else main_#t~nondet8 % 256 - 256), (if main_#t~nondet9 % 256 <= 127 then main_#t~nondet9 % 256 else main_#t~nondet9 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 3#L551-3true [2020-07-29 01:37:07,618 INFO L796 eck$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 [2020-07-29 01:37:07,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:07,625 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-07-29 01:37:07,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:07,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502934319] [2020-07-29 01:37:07,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:07,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:07,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:07,805 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:07,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:07,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1359562, now seen corresponding path program 1 times [2020-07-29 01:37:07,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:07,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577382997] [2020-07-29 01:37:07,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:07,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:07,830 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:07,834 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:07,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:07,836 INFO L82 PathProgramCache]: Analyzing trace with hash 176704686, now seen corresponding path program 1 times [2020-07-29 01:37:07,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:37:07,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430419415] [2020-07-29 01:37:07,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:37:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:07,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:37:07,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:37:07,934 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:37:08,315 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-29 01:37:08,509 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-29 01:37:08,525 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:37:08,526 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:37:08,526 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:37:08,526 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:37:08,526 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:37:08,527 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:08,527 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:37:08,527 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:37:08,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-1.i_Iteration1_Lasso [2020-07-29 01:37:08,528 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:37:08,528 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:37:08,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:08,741 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-07-29 01:37:09,613 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-07-29 01:37:09,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:09,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:09,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:37:10,561 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-07-29 01:37:10,904 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:37:10,913 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:37:10,925 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 [2020-07-29 01:37:10,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:10,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:10,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:10,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:10,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:10,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:10,934 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 [2020-07-29 01:37:10,937 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:37:10,979 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 [2020-07-29 01:37:10,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:10,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:10,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:10,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:10,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:10,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,003 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,042 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 [2020-07-29 01:37:11,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:11,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:11,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:11,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,074 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 [2020-07-29 01:37:11,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:11,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:11,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:11,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,109 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 [2020-07-29 01:37:11,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:11,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:11,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:11,121 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,149 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 [2020-07-29 01:37:11,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:11,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:11,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:11,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,179 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 [2020-07-29 01:37:11,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:11,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:37:11,222 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 [2020-07-29 01:37:11,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:11,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:11,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:11,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,254 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 [2020-07-29 01:37:11,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:11,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,262 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,285 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 [2020-07-29 01:37:11,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:11,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,298 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,329 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 [2020-07-29 01:37:11,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:37:11,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:37:11,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:37:11,332 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,364 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 [2020-07-29 01:37:11,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:11,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,371 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,395 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 [2020-07-29 01:37:11,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:11,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,426 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:37:11,454 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 [2020-07-29 01:37:11,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,456 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-07-29 01:37:11,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,463 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-07-29 01:37:11,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:11,500 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 [2020-07-29 01:37:11,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:37:11,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:37:11,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:37:11,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:37:11,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:37:11,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:37:11,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:37:11,633 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-07-29 01:37:11,634 INFO L444 ModelExtractionUtils]: 17 out of 28 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:37:11,651 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:37:11,655 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 01:37:11,655 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:37:11,656 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 [] [2020-07-29 01:37:11,801 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2020-07-29 01:37:11,808 INFO L393 LassoCheck]: Loop: "call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);" "assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);" "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;" "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;" [2020-07-29 01:37:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:11,834 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 01:37:11,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:37:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:11,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-29 01:37:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:11,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:37:11,930 INFO L280 TraceCheckUtils]: 0: Hoare triple {23#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {23#unseeded} is VALID [2020-07-29 01:37:11,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {23#unseeded} 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; {23#unseeded} is VALID [2020-07-29 01:37:11,932 INFO L280 TraceCheckUtils]: 2: Hoare triple {23#unseeded} assume !(main_~length1~0 < 1); {23#unseeded} is VALID [2020-07-29 01:37:11,934 INFO L280 TraceCheckUtils]: 3: Hoare triple {23#unseeded} 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; {57#(and (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|) unseeded)} is VALID [2020-07-29 01:37:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:11,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-29 01:37:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:37:11,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:37:12,001 INFO L280 TraceCheckUtils]: 0: Hoare triple {58#(and (>= oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (* (- 1) ULTIMATE.start_cstrreplace_~p~0.offset))) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); {75#(and (<= (+ ULTIMATE.start_cstrreplace_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrreplace_~p~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (+ oldRank0 ULTIMATE.start_cstrreplace_~p~0.offset)) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} is VALID [2020-07-29 01:37:12,004 INFO L280 TraceCheckUtils]: 1: Hoare triple {75#(and (<= (+ ULTIMATE.start_cstrreplace_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrreplace_~p~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (+ oldRank0 ULTIMATE.start_cstrreplace_~p~0.offset)) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); {75#(and (<= (+ ULTIMATE.start_cstrreplace_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrreplace_~p~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (+ oldRank0 ULTIMATE.start_cstrreplace_~p~0.offset)) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} is VALID [2020-07-29 01:37:12,005 INFO L280 TraceCheckUtils]: 2: Hoare triple {75#(and (<= (+ ULTIMATE.start_cstrreplace_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrreplace_~p~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (+ oldRank0 ULTIMATE.start_cstrreplace_~p~0.offset)) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} 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; {75#(and (<= (+ ULTIMATE.start_cstrreplace_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrreplace_~p~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (+ oldRank0 ULTIMATE.start_cstrreplace_~p~0.offset)) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} is VALID [2020-07-29 01:37:12,007 INFO L280 TraceCheckUtils]: 3: Hoare triple {75#(and (<= (+ ULTIMATE.start_cstrreplace_~p~0.offset 1) (select |#length| ULTIMATE.start_cstrreplace_~p~0.base)) (<= (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (+ oldRank0 ULTIMATE.start_cstrreplace_~p~0.offset)) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} 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; {60#(and (or (and (>= oldRank0 0) (> oldRank0 (+ (select |#length| |ULTIMATE.start_main_#t~malloc7.base|) (* (- 1) ULTIMATE.start_cstrreplace_~p~0.offset)))) unseeded) (= ULTIMATE.start_cstrreplace_~p~0.base |ULTIMATE.start_main_#t~malloc7.base|))} is VALID [2020-07-29 01:37:12,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:37:12,020 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:37:12,039 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:37:12,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,045 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,052 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 [2020-07-29 01:37:12,053 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-07-29 01:37:12,198 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 24 states and 29 transitions. Complement of second has 6 states. [2020-07-29 01:37:12,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:37:12,199 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:37:12,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-07-29 01:37:12,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:37:12,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:12,205 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:12,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:37:12,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:12,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:37:12,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:37:12,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2020-07-29 01:37:12,220 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:37:12,220 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:37:12,224 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 13 states. [2020-07-29 01:37:12,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:37:12,232 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2020-07-29 01:37:12,232 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:37:12,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:37:12,239 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:37:12,240 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 29 transitions. cyclomatic complexity: 6 [2020-07-29 01:37:12,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. cyclomatic complexity: 6 [2020-07-29 01:37:12,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:37:12,240 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:37:12,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:12,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:12,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:12,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:37:12,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:37:12,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:37:12,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 13 letters. Loop has 13 letters. [2020-07-29 01:37:12,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 13 letters. Loop has 13 letters. [2020-07-29 01:37:12,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 13 letters. Loop has 13 letters. [2020-07-29 01:37:12,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,250 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:37:12,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:37:12,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:37:12,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,257 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 5 letters. Loop has 4 letters. [2020-07-29 01:37:12,257 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 4 letters. [2020-07-29 01:37:12,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 5 letters. Loop has 4 letters. [2020-07-29 01:37:12,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:37:12,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:37:12,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:37:12,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:37:12,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:37:12,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:37:12,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:12,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:12,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 29 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:37:12,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,262 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:37:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:37:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-07-29 01:37:12,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:37:12,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:37:12,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 8 letters. [2020-07-29 01:37:12,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:37:12,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. cyclomatic complexity: 6 [2020-07-29 01:37:12,283 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:37:12,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2020-07-29 01:37:12,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:37:12,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:37:12,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:37:12,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:37:12,288 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:37:12,288 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:37:12,288 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:37:12,288 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:37:12,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:37:12,289 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:37:12,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:37:12,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:37:12 BoogieIcfgContainer [2020-07-29 01:37:12,294 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:37:12,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:37:12,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:37:12,295 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:37:12,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:37:07" (3/4) ... [2020-07-29 01:37:12,299 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:37:12,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:37:12,301 INFO L168 Benchmark]: Toolchain (without parser) took 5955.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.8 MB). Free memory was 961.6 MB in the beginning and 820.1 MB in the end (delta: 141.5 MB). Peak memory consumption was 332.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:12,302 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:12,303 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:12,305 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:12,305 INFO L168 Benchmark]: Boogie Preprocessor took 29.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:12,306 INFO L168 Benchmark]: RCFGBuilder took 447.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:12,307 INFO L168 Benchmark]: BuchiAutomizer took 4783.45 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 820.1 MB in the end (delta: 234.0 MB). Peak memory consumption was 319.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:37:12,307 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 820.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:37:12,312 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 634.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -130.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 447.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.8 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4783.45 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 1.1 GB in the beginning and 820.1 MB in the end (delta: 234.0 MB). Peak memory consumption was 319.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.00 ms. Allocated memory is still 1.2 GB. Free memory is still 820.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 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 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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, 12 SDslu, 3 SDs, 0 SdLazy, 10 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax109 hnf98 lsp106 ukn167 mio100 lsp15 div138 bol100 ite100 ukn100 eq157 hnf71 smp81 dnf228 smp53 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms 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...