./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/array-memsafety/strreplace-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 50bdaf600d03af0a677a59daf6a875dbe69c10b2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:53:45,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:53:45,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:53:45,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:53:45,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:53:45,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:53:45,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:53:45,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:53:45,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:53:45,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:53:45,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:53:45,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:53:45,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:53:45,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:53:45,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:53:45,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:53:45,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:53:45,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:53:45,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:53:45,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:53:45,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:53:45,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:53:45,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:53:45,922 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:53:45,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:53:45,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:53:45,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:53:45,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:53:45,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:53:45,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:53:45,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:53:45,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:53:45,937 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:53:45,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:53:45,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:53:45,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:53:45,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:53:45,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:53:45,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:53:45,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:53:45,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:53:45,950 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:53:45,991 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:53:45,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:53:45,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:53:45,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:53:45,994 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:53:45,999 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:53:45,999 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:53:45,999 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:53:46,000 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:53:46,000 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:53:46,000 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:53:46,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:53:46,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:53:46,001 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:53:46,001 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:53:46,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:53:46,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:53:46,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:53:46,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:53:46,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:53:46,003 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:53:46,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:53:46,004 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:53:46,004 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:53:46,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:53:46,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:53:46,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:53:46,005 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:53:46,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:53:46,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:53:46,006 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:53:46,009 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:53:46,009 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50bdaf600d03af0a677a59daf6a875dbe69c10b2 [2019-11-28 03:53:46,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:53:46,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:53:46,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:53:46,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:53:46,344 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:53:46,345 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2019-11-28 03:53:46,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed9a6f1c/33881b31d47b4a4388315aaf03c091d3/FLAG59fd15ce2 [2019-11-28 03:53:47,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:53:47,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/strreplace-alloca-2.i [2019-11-28 03:53:47,039 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed9a6f1c/33881b31d47b4a4388315aaf03c091d3/FLAG59fd15ce2 [2019-11-28 03:53:47,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed9a6f1c/33881b31d47b4a4388315aaf03c091d3 [2019-11-28 03:53:47,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:53:47,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:53:47,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:53:47,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:53:47,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:53:47,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:47,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57cbf806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47, skipping insertion in model container [2019-11-28 03:53:47,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:47,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:53:47,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:53:47,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:53:47,857 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:53:47,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:53:47,970 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:53:47,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47 WrapperNode [2019-11-28 03:53:47,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:53:47,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:53:47,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:53:47,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:53:47,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:53:48,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:53:48,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:53:48,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:53:48,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (1/1) ... [2019-11-28 03:53:48,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:53:48,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:53:48,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:53:48,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:53:48,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (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 [2019-11-28 03:53:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:53:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:53:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:53:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:53:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:53:48,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:53:48,408 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:53:48,409 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:53:48,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:48 BoogieIcfgContainer [2019-11-28 03:53:48,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:53:48,411 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:53:48,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:53:48,418 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:53:48,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:53:48,420 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:53:47" (1/3) ... [2019-11-28 03:53:48,423 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dc5ee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:53:48, skipping insertion in model container [2019-11-28 03:53:48,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:53:48,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:47" (2/3) ... [2019-11-28 03:53:48,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5dc5ee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:53:48, skipping insertion in model container [2019-11-28 03:53:48,425 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:53:48,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:48" (3/3) ... [2019-11-28 03:53:48,429 INFO L371 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-2.i [2019-11-28 03:53:48,507 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:53:48,507 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:53:48,508 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:53:48,508 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:53:48,509 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:53:48,509 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:53:48,509 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:53:48,509 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:53:48,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-28 03:53:48,555 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 03:53:48,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:48,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:48,563 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:53:48,563 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:48,563 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:53:48,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-28 03:53:48,565 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2019-11-28 03:53:48,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:48,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:48,566 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-28 03:53:48,566 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:48,573 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 17#L528true assume !(main_~length1~0 < 1); 5#L528-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 12#L533-3true [2019-11-28 03:53:48,573 INFO L796 eck$LassoCheckResult]: Loop: 12#L533-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 11#L533-2true main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 12#L533-3true [2019-11-28 03:53:48,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:48,580 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-28 03:53:48,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:48,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548796627] [2019-11-28 03:53:48,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:48,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:48,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:48,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2019-11-28 03:53:48,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:48,728 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956947162] [2019-11-28 03:53:48,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:48,761 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:48,764 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2019-11-28 03:53:48,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:48,764 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587119522] [2019-11-28 03:53:48,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:48,806 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:49,037 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-28 03:53:49,111 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:49,112 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:49,112 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:49,112 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:49,112 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:49,113 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,113 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:49,113 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:49,113 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration1_Lasso [2019-11-28 03:53:49,113 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:49,114 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:49,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:49,698 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:49,705 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) [2019-11-28 03:53:49,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:49,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:49,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,735 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) [2019-11-28 03:53:49,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:49,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:49,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,767 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:49,780 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 Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:49,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:49,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:49,798 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) [2019-11-28 03:53:49,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:49,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:49,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,823 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) [2019-11-28 03:53:49,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:49,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:49,848 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) [2019-11-28 03:53:49,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:49,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,888 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) [2019-11-28 03:53:49,908 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 Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:49,916 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:49,924 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) [2019-11-28 03:53:49,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,949 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:49,949 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:49,957 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 [2019-11-28 03:53:49,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:49,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:49,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:49,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:49,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:49,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:49,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:49,995 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) [2019-11-28 03:53:50,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:50,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:50,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:50,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:50,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:50,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:50,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:50,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:50,016 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 [2019-11-28 03:53:50,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:50,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:50,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:50,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:50,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:50,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:50,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:50,052 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) [2019-11-28 03:53:50,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:50,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:50,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:50,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:50,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:50,094 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:50,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:50,115 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:50,236 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-28 03:53:50,237 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. 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 [2019-11-28 03:53:50,294 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:53:50,315 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:53:50,316 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:50,316 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-28 03:53:50,353 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-28 03:53:50,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:50,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:50,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:50,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:53:50,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:50,465 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:50,466 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-11-28 03:53:50,526 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 38 states and 51 transitions. Complement of second has 7 states. [2019-11-28 03:53:50,527 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 [2019-11-28 03:53:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 33 transitions. [2019-11-28 03:53:50,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 03:53:50,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:50,534 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 03:53:50,534 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:50,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 33 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 03:53:50,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:50,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 51 transitions. [2019-11-28 03:53:50,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:53:50,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2019-11-28 03:53:50,547 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-28 03:53:50,547 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-28 03:53:50,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-11-28 03:53:50,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:50,549 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-28 03:53:50,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-11-28 03:53:50,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-28 03:53:50,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 03:53:50,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2019-11-28 03:53:50,584 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-28 03:53:50,584 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-28 03:53:50,584 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:53:50,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2019-11-28 03:53:50,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:53:50,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:50,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:50,586 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:53:50,586 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:53:50,587 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 115#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 116#L528 assume !(main_~length1~0 < 1); 117#L528-2 call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;main_~i~0 := 0; 118#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 122#L533-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 112#L517-3 [2019-11-28 03:53:50,587 INFO L796 eck$LassoCheckResult]: Loop: 112#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 113#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 114#L518 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; 111#L518-2 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; 112#L517-3 [2019-11-28 03:53:50,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:50,588 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2019-11-28 03:53:50,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:50,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706462144] [2019-11-28 03:53:50,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:50,640 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:50,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:50,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 1 times [2019-11-28 03:53:50,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:50,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248206921] [2019-11-28 03:53:50,642 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:50,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:50,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:50,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1952978730, now seen corresponding path program 1 times [2019-11-28 03:53:50,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:50,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747305424] [2019-11-28 03:53:50,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:50,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:50,962 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747305424] [2019-11-28 03:53:50,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:53:50,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 03:53:50,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613358764] [2019-11-28 03:53:51,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:53:51,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 03:53:51,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-28 03:53:51,039 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-11-28 03:53:51,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:53:51,159 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-11-28 03:53:51,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 03:53:51,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2019-11-28 03:53:51,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:53:51,163 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2019-11-28 03:53:51,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 03:53:51,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-28 03:53:51,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2019-11-28 03:53:51,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:51,164 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2019-11-28 03:53:51,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2019-11-28 03:53:51,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2019-11-28 03:53:51,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-28 03:53:51,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2019-11-28 03:53:51,169 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 03:53:51,169 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 03:53:51,169 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:53:51,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2019-11-28 03:53:51,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:53:51,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:51,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:51,174 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:53:51,174 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2019-11-28 03:53:51,175 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 155#L-1 havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet9, main_#t~post8, main_~i~0, main_#t~nondet10, main_#t~nondet11, main_#t~ret12, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 156#L528 assume !(main_~length1~0 < 1); 161#L528-2 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;main_~i~0 := 0; 162#L533-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet9, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet9; 164#L533-2 main_#t~post8 := main_~i~0;main_~i~0 := 1 + main_#t~post8;havoc main_#t~post8; 165#L533-3 assume !(main_~i~0 < main_~length1~0 - 1); 166#L533-4 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~nondet10 % 256 <= 127 then main_#t~nondet10 % 256 else main_#t~nondet10 % 256 - 256), (if main_#t~nondet11 % 256 <= 127 then main_#t~nondet11 % 256 else main_#t~nondet11 % 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; 160#L517-3 [2019-11-28 03:53:51,175 INFO L796 eck$LassoCheckResult]: Loop: 160#L517-3 call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 157#L517-1 assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 158#L518 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; 159#L518-2 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; 160#L517-3 [2019-11-28 03:53:51,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:51,176 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2019-11-28 03:53:51,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:51,177 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115909971] [2019-11-28 03:53:51,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:51,271 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:51,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:51,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1790538, now seen corresponding path program 2 times [2019-11-28 03:53:51,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:51,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152489835] [2019-11-28 03:53:51,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:51,293 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:51,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:51,294 INFO L82 PathProgramCache]: Analyzing trace with hash -357903304, now seen corresponding path program 1 times [2019-11-28 03:53:51,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:51,295 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336182373] [2019-11-28 03:53:51,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:51,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:51,815 WARN L192 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2019-11-28 03:53:52,425 WARN L192 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-28 03:53:52,428 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:52,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:52,429 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:52,429 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:52,429 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:52,429 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:52,429 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:52,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:52,430 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-2.i_Iteration3_Lasso [2019-11-28 03:53:52,430 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:52,430 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:52,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:52,530 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2019-11-28 03:53:53,400 WARN L192 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-28 03:53:53,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:53,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:53,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:53,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:53,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:54,152 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-11-28 03:53:54,319 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:54,320 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2019-11-28 03:53:54,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:54,355 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 [2019-11-28 03:53:54,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,368 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:54,370 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:54,384 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:54,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:54,431 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,454 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 [2019-11-28 03:53:54,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:54,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,463 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,486 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 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:54,515 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:54,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:54,540 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 23 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,559 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,572 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:54,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:54,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,584 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,590 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 Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:54,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:54,597 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:54,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:54,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:54,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:54,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:54,624 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:54,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:54,642 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:54,703 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2019-11-28 03:53:54,704 INFO L444 ModelExtractionUtils]: 7 out of 34 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:54,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:54,716 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:53:54,716 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:54,716 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrreplace_~p~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2) = -1*ULTIMATE.start_cstrreplace_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 Supporting invariants [] [2019-11-28 03:53:54,739 INFO L297 tatePredicateManager]: 3 out of 5 supporting invariants were superfluous and have been removed [2019-11-28 03:53:54,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:53:54,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:54,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:53:54,804 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:54,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:53:54,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:54,859 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:53:54,859 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 03:53:54,923 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 16 states and 21 transitions. Complement of second has 5 states. [2019-11-28 03:53:54,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:53:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-28 03:53:54,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2019-11-28 03:53:54,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:54,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2019-11-28 03:53:54,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:54,928 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2019-11-28 03:53:54,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:54,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2019-11-28 03:53:54,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:54,930 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-28 03:53:54,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:53:54,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:53:54,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:53:54,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:54,930 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:54,930 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:54,930 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:54,930 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:53:54,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:53:54,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:54,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:53:54,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:53:54 BoogieIcfgContainer [2019-11-28 03:53:54,943 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:53:54,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:53:54,945 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:53:54,945 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:53:54,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:48" (3/4) ... [2019-11-28 03:53:54,953 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:53:54,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:53:54,956 INFO L168 Benchmark]: Toolchain (without parser) took 7640.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 959.0 MB in the beginning and 1.2 GB in the end (delta: -231.9 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:54,957 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:54,958 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:54,959 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:54,961 INFO L168 Benchmark]: Boogie Preprocessor took 42.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:54,967 INFO L168 Benchmark]: RCFGBuilder took 340.40 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:54,970 INFO L168 Benchmark]: BuchiAutomizer took 6532.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.9 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:54,975 INFO L168 Benchmark]: Witness Printer took 8.87 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:54,984 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.92 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340.40 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: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 6532.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 188.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.9 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. * Witness Printer took 8.87 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * p + unknown-#length-unknown[nondetString1] and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 47 SDslu, 42 SDs, 0 SdLazy, 50 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital337 mio100 ax111 hnf98 lsp59 ukn129 mio100 lsp38 div114 bol100 ite100 ukn100 eq163 hnf84 smp97 dnf141 smp77 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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...