./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/invert_string-3.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/invert_string-3.c -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 ac7c62eef1736762a9ed0f43546ad9c2b468346f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:05:09,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:05:09,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:05:09,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:05:09,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:05:09,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:05:09,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:05:09,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:05:09,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:05:09,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:05:09,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:05:09,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:05:09,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:05:09,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:05:09,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:05:09,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:05:09,101 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:05:09,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:05:09,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:05:09,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:05:09,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:05:09,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:05:09,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:05:09,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:05:09,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:05:09,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:05:09,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:05:09,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:05:09,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:05:09,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:05:09,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:05:09,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:05:09,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:05:09,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:05:09,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:05:09,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:05:09,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:05:09,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:05:09,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:05:09,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:05:09,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:05:09,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:05:09,166 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:05:09,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:05:09,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:05:09,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:05:09,169 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:05:09,170 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:05:09,170 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:05:09,170 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:05:09,170 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:05:09,171 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:05:09,172 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:05:09,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:05:09,173 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:05:09,173 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:05:09,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:05:09,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:05:09,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:05:09,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:05:09,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:05:09,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:05:09,175 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:05:09,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:05:09,175 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:05:09,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:05:09,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:05:09,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:05:09,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:05:09,177 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:05:09,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:05:09,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:05:09,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:05:09,179 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:05:09,181 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:05:09,181 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 -> ac7c62eef1736762a9ed0f43546ad9c2b468346f [2020-07-29 02:05:09,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:05:09,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:05:09,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:05:09,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:05:09,515 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:05:09,515 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2020-07-29 02:05:09,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba60b004/a3dc8b68ea3d4b6f8e34b921a1552f3b/FLAGb1093102f [2020-07-29 02:05:10,016 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:05:10,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2020-07-29 02:05:10,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba60b004/a3dc8b68ea3d4b6f8e34b921a1552f3b/FLAGb1093102f [2020-07-29 02:05:10,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ba60b004/a3dc8b68ea3d4b6f8e34b921a1552f3b [2020-07-29 02:05:10,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:05:10,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:05:10,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:05:10,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:05:10,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:05:10,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77aa84ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10, skipping insertion in model container [2020-07-29 02:05:10,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:05:10,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:05:10,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:05:10,755 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:05:10,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:05:10,819 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:05:10,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10 WrapperNode [2020-07-29 02:05:10,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:05:10,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:05:10,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:05:10,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:05:10,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:05:10,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:05:10,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:05:10,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:05:10,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:10,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:11,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... [2020-07-29 02:05:11,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:05:11,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:05:11,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:05:11,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:05:11,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 02:05:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:05:11,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:05:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 02:05:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:05:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 02:05:11,514 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:05:11,514 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-07-29 02:05:11,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:05:11 BoogieIcfgContainer [2020-07-29 02:05:11,518 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:05:11,518 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:05:11,519 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:05:11,522 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:05:11,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:05:11,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:05:10" (1/3) ... [2020-07-29 02:05:11,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639258db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:05:11, skipping insertion in model container [2020-07-29 02:05:11,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:05:11,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:10" (2/3) ... [2020-07-29 02:05:11,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@639258db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:05:11, skipping insertion in model container [2020-07-29 02:05:11,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:05:11,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:05:11" (3/3) ... [2020-07-29 02:05:11,537 INFO L371 chiAutomizerObserver]: Analyzing ICFG invert_string-3.c [2020-07-29 02:05:11,597 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:05:11,597 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:05:11,597 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:05:11,597 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:05:11,597 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:05:11,597 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:05:11,598 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:05:11,598 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:05:11,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-07-29 02:05:11,637 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2020-07-29 02:05:11,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:11,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:11,645 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:05:11,645 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:05:11,645 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:05:11,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-07-29 02:05:11,649 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2020-07-29 02:05:11,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:11,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:11,650 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 02:05:11,650 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:05:11,659 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet1, main_#t~post0, main_#t~mem3, main_#t~post4, main_#t~post2, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~post5, main_~max~0, main_~#str1~0.base, main_~#str1~0.offset, main_~#str2~0.base, main_~#str2~0.offset, main_~i~0, main_~j~0;main_~max~0 := 5;call main_~#str1~0.base, main_~#str1~0.offset := #Ultimate.allocOnStack((if main_~max~0 % 4294967296 % 4294967296 <= 2147483647 then main_~max~0 % 4294967296 % 4294967296 else main_~max~0 % 4294967296 % 4294967296 - 4294967296));call main_~#str2~0.base, main_~#str2~0.offset := #Ultimate.allocOnStack((if main_~max~0 % 4294967296 % 4294967296 <= 2147483647 then main_~max~0 % 4294967296 % 4294967296 else main_~max~0 % 4294967296 % 4294967296 - 4294967296));havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; 16#L16-3true [2020-07-29 02:05:11,660 INFO L796 eck$LassoCheckResult]: Loop: 16#L16-3true assume !!(main_~i~0 % 4294967296 < main_~max~0 % 4294967296);call write~int(main_#t~nondet1, main_~#str1~0.base, main_~#str1~0.offset + main_~i~0, 1);havoc main_#t~nondet1; 18#L16-2true main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 16#L16-3true [2020-07-29 02:05:11,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:11,666 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-07-29 02:05:11,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:05:11,677 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027951231] [2020-07-29 02:05:11,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:05:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:11,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:11,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:11,897 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:05:11,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:11,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-07-29 02:05:11,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:05:11,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453169307] [2020-07-29 02:05:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:05:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:11,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:11,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:11,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:05:11,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:11,963 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-07-29 02:05:11,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:05:11,964 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407811145] [2020-07-29 02:05:11,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:05:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:12,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:12,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:12,098 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:05:12,373 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-07-29 02:05:12,572 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2020-07-29 02:05:12,588 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:05:12,590 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:05:12,590 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:05:12,590 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:05:12,591 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:05:12,591 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:12,591 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:05:12,591 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:05:12,592 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-3.c_Iteration1_Lasso [2020-07-29 02:05:12,592 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:05:12,592 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:05:12,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:12,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:05:13,669 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:05:13,675 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:05:13,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:13,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:13,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,696 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,742 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:05:13,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:05:13,752 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:13,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:13,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:05:13,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:13,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:13,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:05:13,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:13,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:13,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:05:13,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:13,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:13,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:05:13,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:13,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:13,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:13,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:13,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:13,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:13,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:05:13,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:05:13,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:05:14,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:14,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:14,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:14,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:14,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:14,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:14,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:14,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:14,020 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) [2020-07-29 02:05:14,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:14,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:14,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:14,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:14,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:14,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:05:14,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:14,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:14,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:14,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:14,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:14,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:14,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:14,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:05:14,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:05:14,137 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) [2020-07-29 02:05:14,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:14,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:14,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:05:14,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:14,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:14,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:14,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:05:14,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:14,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:05:14,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 02:05:14,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:05:14,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:05:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:05:14,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:05:14,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 02:05:14,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 02:05:14,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:05:14,436 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-07-29 02:05:14,437 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 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 [2020-07-29 02:05:14,474 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:05:14,479 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-07-29 02:05:14,480 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 02:05:14,481 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#str1~0.base)_1, ULTIMATE.start_main_~#str1~0.offset) = -1*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0.base)_1 - 1*ULTIMATE.start_main_~#str1~0.offset Supporting invariants [] [2020-07-29 02:05:14,541 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2020-07-29 02:05:14,549 INFO L393 LassoCheck]: Loop: "assume !!(main_~i~0 % 4294967296 < main_~max~0 % 4294967296);call write~int(main_#t~nondet1, main_~#str1~0.base, main_~#str1~0.offset + main_~i~0, 1);havoc main_#t~nondet1;" "main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0;" [2020-07-29 02:05:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:05:14,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-29 02:05:14,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:05:14,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:05:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:05:14,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:05:14,662 INFO L280 TraceCheckUtils]: 0: Hoare triple {27#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {27#unseeded} is VALID [2020-07-29 02:05:14,664 INFO L280 TraceCheckUtils]: 1: Hoare triple {27#unseeded} havoc main_#res;havoc main_#t~nondet1, main_#t~post0, main_#t~mem3, main_#t~post4, main_#t~post2, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~post5, main_~max~0, main_~#str1~0.base, main_~#str1~0.offset, main_~#str2~0.base, main_~#str2~0.offset, main_~i~0, main_~j~0;main_~max~0 := 5;call main_~#str1~0.base, main_~#str1~0.offset := #Ultimate.allocOnStack((if main_~max~0 % 4294967296 % 4294967296 <= 2147483647 then main_~max~0 % 4294967296 % 4294967296 else main_~max~0 % 4294967296 % 4294967296 - 4294967296));call main_~#str2~0.base, main_~#str2~0.offset := #Ultimate.allocOnStack((if main_~max~0 % 4294967296 % 4294967296 <= 2147483647 then main_~max~0 % 4294967296 % 4294967296 else main_~max~0 % 4294967296 % 4294967296 - 4294967296));havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; {27#unseeded} is VALID [2020-07-29 02:05:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:05:14,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 02:05:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:05:14,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:05:14,707 INFO L280 TraceCheckUtils]: 0: Hoare triple {30#(>= oldRank0 (+ (* (- 1) ULTIMATE.start_main_~i~0) (select |#length| |ULTIMATE.start_main_~#str1~0.base|) (* (- 1) |ULTIMATE.start_main_~#str1~0.offset|)))} assume !!(main_~i~0 % 4294967296 < main_~max~0 % 4294967296);call write~int(main_#t~nondet1, main_~#str1~0.base, main_~#str1~0.offset + main_~i~0, 1);havoc main_#t~nondet1; {63#(and (<= (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 1) (select |#length| |ULTIMATE.start_main_~#str1~0.base|)) (<= (select |#length| |ULTIMATE.start_main_~#str1~0.base|) (+ |ULTIMATE.start_main_~#str1~0.offset| oldRank0 ULTIMATE.start_main_~i~0)))} is VALID [2020-07-29 02:05:14,709 INFO L280 TraceCheckUtils]: 1: Hoare triple {63#(and (<= (+ |ULTIMATE.start_main_~#str1~0.offset| ULTIMATE.start_main_~i~0 1) (select |#length| |ULTIMATE.start_main_~#str1~0.base|)) (<= (select |#length| |ULTIMATE.start_main_~#str1~0.base|) (+ |ULTIMATE.start_main_~#str1~0.offset| oldRank0 ULTIMATE.start_main_~i~0)))} main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; {55#(or (and (> oldRank0 (+ (* (- 1) ULTIMATE.start_main_~i~0) (select |#length| |ULTIMATE.start_main_~#str1~0.base|) (* (- 1) |ULTIMATE.start_main_~#str1~0.offset|))) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 02:05:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:05:14,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:05:14,741 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:05:14,743 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,758 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 02:05:14,760 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 3 states. [2020-07-29 02:05:14,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 3 states. Result 33 states and 47 transitions. Complement of second has 8 states. [2020-07-29 02:05:14,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 02:05:14,859 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:05:14,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-07-29 02:05:14,862 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2020-07-29 02:05:14,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:14,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:14,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 02:05:14,867 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:05:14,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:14,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:14,868 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 47 transitions. [2020-07-29 02:05:14,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 02:05:14,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:14,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:14,873 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 17 states. [2020-07-29 02:05:14,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2020-07-29 02:05:14,879 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 9 examples of accepted words. [2020-07-29 02:05:14,879 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 02:05:14,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:05:14,882 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:05:14,883 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 33 states and 47 transitions. cyclomatic complexity: 19 [2020-07-29 02:05:14,885 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 02:05:14,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:05:14,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:05:14,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:05:14,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 33 letters. Loop has 33 letters. [2020-07-29 02:05:14,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 33 letters. Loop has 33 letters. [2020-07-29 02:05:14,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 33 letters. Loop has 33 letters. [2020-07-29 02:05:14,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,889 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 17 letters. Loop has 17 letters. [2020-07-29 02:05:14,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 17 letters. Loop has 17 letters. [2020-07-29 02:05:14,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 17 letters. Loop has 17 letters. [2020-07-29 02:05:14,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:05:14,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:05:14,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:05:14,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 02:05:14,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 02:05:14,892 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 7 letters. Loop has 4 letters. [2020-07-29 02:05:14,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 8 letters. Loop has 5 letters. [2020-07-29 02:05:14,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 5 letters. [2020-07-29 02:05:14,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 8 letters. Loop has 5 letters. [2020-07-29 02:05:14,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 02:05:14,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 02:05:14,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 6 letters. Loop has 4 letters. [2020-07-29 02:05:14,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 02:05:14,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 02:05:14,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 9 letters. Loop has 4 letters. [2020-07-29 02:05:14,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 02:05:14,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 02:05:14,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 8 letters. Loop has 4 letters. [2020-07-29 02:05:14,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 02:05:14,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 02:05:14,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 5 letters. Loop has 2 letters. [2020-07-29 02:05:14,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:05:14,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:05:14,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:05:14,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:05:14,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:05:14,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:05:14,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:05:14,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:05:14,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:05:14,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 02:05:14,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 02:05:14,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 7 letters. Loop has 4 letters. [2020-07-29 02:05:14,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 8 letters. Loop has 5 letters. [2020-07-29 02:05:14,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 5 letters. [2020-07-29 02:05:14,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 8 letters. Loop has 5 letters. [2020-07-29 02:05:14,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 02:05:14,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 02:05:14,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 8 letters. Loop has 4 letters. [2020-07-29 02:05:14,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,911 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 02:05:14,911 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 02:05:14,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 9 letters. Loop has 4 letters. [2020-07-29 02:05:14,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 02:05:14,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 4 letters. [2020-07-29 02:05:14,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 6 letters. Loop has 4 letters. [2020-07-29 02:05:14,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 17 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 02:05:14,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 2 letters. [2020-07-29 02:05:14,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 47 transitions. cyclomatic complexity: 19 Stem has 5 letters. Loop has 2 letters. [2020-07-29 02:05:14,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,916 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:05:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 02:05:14,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2020-07-29 02:05:14,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:05:14,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 02:05:14,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2020-07-29 02:05:14,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:05:14,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. cyclomatic complexity: 19 [2020-07-29 02:05:14,929 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 02:05:14,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 14 states and 19 transitions. [2020-07-29 02:05:14,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-07-29 02:05:14,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2020-07-29 02:05:14,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2020-07-29 02:05:14,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:05:14,938 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2020-07-29 02:05:14,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2020-07-29 02:05:14,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-07-29 02:05:14,975 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:05:14,976 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states and 19 transitions. Second operand 14 states. [2020-07-29 02:05:14,976 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states and 19 transitions. Second operand 14 states. [2020-07-29 02:05:14,979 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand 14 states. [2020-07-29 02:05:14,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:05:14,985 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2020-07-29 02:05:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2020-07-29 02:05:14,987 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:05:14,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:05:14,987 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states and 19 transitions. [2020-07-29 02:05:14,987 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states and 19 transitions. [2020-07-29 02:05:14,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:05:14,989 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2020-07-29 02:05:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2020-07-29 02:05:14,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:05:14,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:05:14,990 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:05:14,990 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:05:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-29 02:05:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2020-07-29 02:05:14,993 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2020-07-29 02:05:14,993 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2020-07-29 02:05:14,993 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:05:14,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2020-07-29 02:05:14,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 02:05:14,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:14,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:14,995 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 02:05:14,995 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:05:14,996 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 117#L-1 havoc main_#res;havoc main_#t~nondet1, main_#t~post0, main_#t~mem3, main_#t~post4, main_#t~post2, main_#t~mem6, main_#t~mem7, main_#t~post8, main_#t~post5, main_~max~0, main_~#str1~0.base, main_~#str1~0.offset, main_~#str2~0.base, main_~#str2~0.offset, main_~i~0, main_~j~0;main_~max~0 := 5;call main_~#str1~0.base, main_~#str1~0.offset := #Ultimate.allocOnStack((if main_~max~0 % 4294967296 % 4294967296 <= 2147483647 then main_~max~0 % 4294967296 % 4294967296 else main_~max~0 % 4294967296 % 4294967296 - 4294967296));call main_~#str2~0.base, main_~#str2~0.offset := #Ultimate.allocOnStack((if main_~max~0 % 4294967296 % 4294967296 <= 2147483647 then main_~max~0 % 4294967296 % 4294967296 else main_~max~0 % 4294967296 % 4294967296 - 4294967296));havoc main_~i~0;havoc main_~j~0;main_~i~0 := 0; 118#L16-3 assume !(main_~i~0 % 4294967296 < main_~max~0 % 4294967296); 122#L16-4 call write~int(0, main_~#str1~0.base, main_~#str1~0.offset + (if (main_~max~0 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0 - 1) % 4294967296 % 4294967296 else (main_~max~0 - 1) % 4294967296 % 4294967296 - 4294967296), 1);main_~j~0 := 0;main_~i~0 := (if (main_~max~0 - 1) % 4294967296 % 4294967296 <= 2147483647 then (main_~max~0 - 1) % 4294967296 % 4294967296 else (main_~max~0 - 1) % 4294967296 % 4294967296 - 4294967296); 119#L24-3 [2020-07-29 02:05:14,996 INFO L796 eck$LassoCheckResult]: Loop: 119#L24-3 assume !!(main_~i~0 >= 0);call main_#t~mem3 := read~int(main_~#str1~0.base, main_~#str1~0.offset + main_~i~0, 1);call write~int(main_#t~mem3, main_~#str2~0.base, main_~#str2~0.offset + main_~j~0, 1);havoc main_#t~mem3;main_#t~post4 := main_~j~0;main_~j~0 := 1 + main_#t~post4;havoc main_#t~post4; 120#L24-2 main_#t~post2 := main_~i~0;main_~i~0 := main_#t~post2 - 1;havoc main_#t~post2; 119#L24-3 [2020-07-29 02:05:14,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2020-07-29 02:05:14,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:05:14,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429433573] [2020-07-29 02:05:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:05:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:05:15,075 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkFeasibilityAndComputeInterpolants(LassoCheck.java:928) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkStemFeasibility(LassoCheck.java:883) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:797) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-29 02:05:15,080 INFO L168 Benchmark]: Toolchain (without parser) took 4659.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:15,081 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:05:15,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:15,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:15,083 INFO L168 Benchmark]: Boogie Preprocessor took 53.85 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. [2020-07-29 02:05:15,084 INFO L168 Benchmark]: RCFGBuilder took 506.18 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:15,085 INFO L168 Benchmark]: BuchiAutomizer took 3559.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -41.8 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:15,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 398.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 506.18 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3559.45 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -41.8 MB). Peak memory consumption was 33.2 MB. 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.buchiautomizer: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...