./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79c8f3e75568b724086e7997d923ad8ab07e6657 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:39:11,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:39:11,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:39:11,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:39:11,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:39:11,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:39:11,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:39:11,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:39:11,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:39:11,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:39:11,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:39:11,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:39:11,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:39:11,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:39:11,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:39:11,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:39:11,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:39:11,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:39:11,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:39:11,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:39:11,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:39:11,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:39:11,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:39:11,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:39:11,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:39:11,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:39:11,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:39:11,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:39:11,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:39:11,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:39:11,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:39:11,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:39:11,864 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:39:11,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:39:11,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:39:11,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:39:11,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:39:11,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:39:11,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:39:11,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:39:11,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:39:11,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:39:11,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:39:11,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:39:11,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:39:11,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:39:11,891 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:39:11,892 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:39:11,892 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:39:11,892 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:39:11,892 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:39:11,893 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:39:11,893 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:39:11,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:39:11,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:39:11,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:39:11,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:39:11,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:39:11,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:39:11,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:39:11,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:39:11,895 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:39:11,896 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:39:11,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:39:11,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:39:11,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:39:11,897 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:39:11,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:39:11,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:39:11,898 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:39:11,898 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:39:11,899 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:39:11,899 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79c8f3e75568b724086e7997d923ad8ab07e6657 [2020-07-29 01:39:12,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:39:12,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:39:12,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:39:12,297 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:39:12,297 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:39:12,298 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2020-07-29 01:39:12,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3420cd64/8d9e8f5836684ae4a9ecb002b4bc7cf9/FLAG6dcd7f39f [2020-07-29 01:39:12,889 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:39:12,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-15/cstrcat_reverse_alloca.i [2020-07-29 01:39:12,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3420cd64/8d9e8f5836684ae4a9ecb002b4bc7cf9/FLAG6dcd7f39f [2020-07-29 01:39:13,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3420cd64/8d9e8f5836684ae4a9ecb002b4bc7cf9 [2020-07-29 01:39:13,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:39:13,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:39:13,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:13,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:39:13,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:39:13,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:13,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472db69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13, skipping insertion in model container [2020-07-29 01:39:13,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:13,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:39:13,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:39:13,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:13,763 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:39:13,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:39:13,931 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:39:13,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13 WrapperNode [2020-07-29 01:39:13,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:39:13,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:13,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:39:13,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:39:13,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:13,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:13,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:39:13,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:39:13,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:39:13,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:39:13,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:13,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:14,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:14,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:14,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:14,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:14,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... [2020-07-29 01:39:14,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:39:14,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:39:14,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:39:14,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:39:14,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-29 01:39:14,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-29 01:39:14,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:39:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-29 01:39:14,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:39:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:39:14,566 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:39:14,567 INFO L295 CfgBuilder]: Removed 8 assume(true) statements. [2020-07-29 01:39:14,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:14 BoogieIcfgContainer [2020-07-29 01:39:14,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:39:14,571 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:39:14,571 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:39:14,575 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:39:14,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:14,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:39:13" (1/3) ... [2020-07-29 01:39:14,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4934706e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:14, skipping insertion in model container [2020-07-29 01:39:14,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:14,578 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:39:13" (2/3) ... [2020-07-29 01:39:14,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4934706e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:39:14, skipping insertion in model container [2020-07-29 01:39:14,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:39:14,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:14" (3/3) ... [2020-07-29 01:39:14,581 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcat_reverse_alloca.i [2020-07-29 01:39:14,633 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:39:14,633 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:39:14,633 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:39:14,634 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:39:14,634 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:39:14,634 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:39:14,634 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:39:14,635 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:39:14,649 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:14,673 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:14,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:14,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:14,680 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:39:14,680 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:14,680 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:39:14,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:14,684 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:14,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:14,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:14,687 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-07-29 01:39:14,687 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 01:39:14,696 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; 3#L377true assume !(main_~length1~0 < 1); 6#L377-2true assume !(main_~length2~0 < 2); 15#L380-1true assume !(main_~length3~0 < 1); 10#L383-1true assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - main_~length3~0), 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; 7#L367-3true [2020-07-29 01:39:14,696 INFO L796 eck$LassoCheckResult]: Loop: 7#L367-3true call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); 4#L367-1true assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, cstrcat_#t~post206.offset - 1;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; 7#L367-3true [2020-07-29 01:39:14,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:14,703 INFO L82 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2020-07-29 01:39:14,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:14,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599202899] [2020-07-29 01:39:14,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:14,842 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:14,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:14,926 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:14,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:14,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2020-07-29 01:39:14,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:14,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116357068] [2020-07-29 01:39:14,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:14,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:14,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:14,962 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:14,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:14,964 INFO L82 PathProgramCache]: Analyzing trace with hash 180553748, now seen corresponding path program 1 times [2020-07-29 01:39:14,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:39:14,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488419606] [2020-07-29 01:39:14,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:39:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:15,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:39:15,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:39:15,052 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:39:15,634 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2020-07-29 01:39:15,844 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-29 01:39:15,861 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:39:15,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:39:15,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:39:15,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:39:15,863 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:39:15,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:15,864 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:39:15,864 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:39:15,864 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcat_reverse_alloca.i_Iteration1_Lasso [2020-07-29 01:39:15,865 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:39:15,865 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:39:15,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:15,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,332 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-07-29 01:39:16,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:39:16,943 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-07-29 01:39:17,401 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:39:17,407 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:17,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:17,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:17,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,425 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 01:39:17,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:17,478 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 01:39:17,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:17,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,530 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:17,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:17,536 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:17,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:17,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:17,578 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) [2020-07-29 01:39:17,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:17,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:17,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:17,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:17,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:17,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:17,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:17,717 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:39:17,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:39:17,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:39:17,756 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:17,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:17,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:17,902 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:17,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:39:17,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:17,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:17,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:17,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:17,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:17,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:17,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:17,991 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:18,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:39:18,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:39:18,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:39:18,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:39:18,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:39:18,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:39:18,038 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:39:18,064 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:39:18,289 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2020-07-29 01:39:18,289 INFO L444 ModelExtractionUtils]: 17 out of 49 variables were initially zero. Simplification set additionally 27 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:39:18,301 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:39:18,306 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-29 01:39:18,307 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:39:18,308 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcat_~s~0.offset, ULTIMATE.start_main_~length2~0) = 2*ULTIMATE.start_cstrcat_~s~0.offset + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [1*ULTIMATE.start_main_~length2~0 - 1 >= 0] [2020-07-29 01:39:18,391 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2020-07-29 01:39:18,400 INFO L393 LassoCheck]: Loop: "call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1);" "assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, cstrcat_#t~post206.offset - 1;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset;" [2020-07-29 01:39:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:39:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:18,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-29 01:39:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:18,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:18,547 INFO L280 TraceCheckUtils]: 0: Hoare triple {25#unseeded} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {25#unseeded} is VALID [2020-07-29 01:39:18,548 INFO L280 TraceCheckUtils]: 1: Hoare triple {25#unseeded} havoc main_#res;havoc main_#t~nondet210, main_#t~nondet211, main_#t~nondet212, main_#t~malloc213.base, main_#t~malloc213.offset, main_#t~malloc214.base, main_#t~malloc214.offset, main_#t~ret215.base, main_#t~ret215.offset, main_~length1~0, main_~length2~0, main_~length3~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet210;havoc main_#t~nondet210;main_~length2~0 := main_#t~nondet211;havoc main_#t~nondet211;main_~length3~0 := main_#t~nondet212;havoc main_#t~nondet212; {25#unseeded} is VALID [2020-07-29 01:39:18,549 INFO L280 TraceCheckUtils]: 2: Hoare triple {25#unseeded} assume !(main_~length1~0 < 1); {25#unseeded} is VALID [2020-07-29 01:39:18,550 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#unseeded} assume !(main_~length2~0 < 2); {97#(and (<= 2 ULTIMATE.start_main_~length2~0) unseeded)} is VALID [2020-07-29 01:39:18,551 INFO L280 TraceCheckUtils]: 4: Hoare triple {97#(and (<= 2 ULTIMATE.start_main_~length2~0) unseeded)} assume !(main_~length3~0 < 1); {97#(and (<= 2 ULTIMATE.start_main_~length2~0) unseeded)} is VALID [2020-07-29 01:39:18,554 INFO L280 TraceCheckUtils]: 5: Hoare triple {97#(and (<= 2 ULTIMATE.start_main_~length2~0) unseeded)} assume !(main_~length2~0 - main_~length3~0 < main_~length1~0 || main_~length3~0 > main_~length2~0);call main_#t~malloc213.base, main_#t~malloc213.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc213.base, main_#t~malloc213.offset;call main_#t~malloc214.base, main_#t~malloc214.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc214.base, main_#t~malloc214.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset, 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - main_~length3~0), 1);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1);cstrcat_#in~s1.base, cstrcat_#in~s1.offset, cstrcat_#in~s2.base, cstrcat_#in~s2.offset := main_~nondetString2~0.base, main_~nondetString2~0.offset, main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrcat_#res.base, cstrcat_#res.offset;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset, cstrcat_#t~mem205, cstrcat_#t~post207.base, cstrcat_#t~post207.offset, cstrcat_#t~post208.base, cstrcat_#t~post208.offset, cstrcat_#t~mem209, cstrcat_~s1.base, cstrcat_~s1.offset, cstrcat_~s2.base, cstrcat_~s2.offset, cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s1.base, cstrcat_~s1.offset := cstrcat_#in~s1.base, cstrcat_#in~s1.offset;cstrcat_~s2.base, cstrcat_~s2.offset := cstrcat_#in~s2.base, cstrcat_#in~s2.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_~s1.base, cstrcat_~s1.offset; {79#(and (>= (+ ULTIMATE.start_main_~length2~0 (- 1)) 0) unseeded)} is VALID [2020-07-29 01:39:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:18,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:39:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:39:18,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:39:18,599 INFO L280 TraceCheckUtils]: 0: Hoare triple {80#(and (>= (+ ULTIMATE.start_main_~length2~0 (- 1)) 0) (>= oldRank0 (+ (* 2 ULTIMATE.start_cstrcat_~s~0.offset) ULTIMATE.start_main_~length2~0)))} call cstrcat_#t~mem205 := read~int(cstrcat_~s~0.base, cstrcat_~s~0.offset, 1); {104#(and (<= 1 ULTIMATE.start_main_~length2~0) (<= 0 ULTIMATE.start_cstrcat_~s~0.offset) (<= (+ (* 2 ULTIMATE.start_cstrcat_~s~0.offset) ULTIMATE.start_main_~length2~0) oldRank0))} is VALID [2020-07-29 01:39:18,602 INFO L280 TraceCheckUtils]: 1: Hoare triple {104#(and (<= 1 ULTIMATE.start_main_~length2~0) (<= 0 ULTIMATE.start_cstrcat_~s~0.offset) (<= (+ (* 2 ULTIMATE.start_cstrcat_~s~0.offset) ULTIMATE.start_main_~length2~0) oldRank0))} assume !!(0 != cstrcat_#t~mem205);havoc cstrcat_#t~mem205;cstrcat_#t~post206.base, cstrcat_#t~post206.offset := cstrcat_~s~0.base, cstrcat_~s~0.offset;cstrcat_~s~0.base, cstrcat_~s~0.offset := cstrcat_#t~post206.base, cstrcat_#t~post206.offset - 1;havoc cstrcat_#t~post206.base, cstrcat_#t~post206.offset; {82#(and (>= (+ ULTIMATE.start_main_~length2~0 (- 1)) 0) (or (and (> oldRank0 (+ (* 2 ULTIMATE.start_cstrcat_~s~0.offset) ULTIMATE.start_main_~length2~0)) (>= oldRank0 0)) unseeded))} is VALID [2020-07-29 01:39:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:39:18,614 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:39:18,634 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:39:18,636 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,645 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2020-07-29 01:39:18,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2020-07-29 01:39:18,813 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 35 states and 45 transitions. Complement of second has 8 states. [2020-07-29 01:39:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:39:18,814 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:18,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 01:39:18,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:18,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:18,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:18,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:39:18,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:18,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:39:18,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:39:18,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. [2020-07-29 01:39:18,825 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:18,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:18,827 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states. [2020-07-29 01:39:18,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:18,831 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2020-07-29 01:39:18,832 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:39:18,835 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:39:18,836 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:39:18,836 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:39:18,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:39:18,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:18,837 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:39:18,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:39:18,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:39:18,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:39:18,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:39:18,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:39:18,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 35 letters. Loop has 35 letters. [2020-07-29 01:39:18,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:18,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:18,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:39:18,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:39:18,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:39:18,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:39:18,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:18,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:18,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:18,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:18,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:18,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:18,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:18,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:18,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 2 letters. [2020-07-29 01:39:18,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:39:18,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:39:18,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 1 letters. [2020-07-29 01:39:18,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:39:18,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:39:18,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 35 states and 45 transitions. cyclomatic complexity: 13 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:39:18,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,853 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:39:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:39:18,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 34 transitions. [2020-07-29 01:39:18,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 2 letters. [2020-07-29 01:39:18,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 8 letters. Loop has 2 letters. [2020-07-29 01:39:18,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 34 transitions. Stem has 6 letters. Loop has 4 letters. [2020-07-29 01:39:18,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:39:18,860 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. cyclomatic complexity: 13 [2020-07-29 01:39:18,864 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:18,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2020-07-29 01:39:18,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:39:18,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:39:18,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:39:18,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:39:18,871 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:18,871 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:18,871 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:39:18,871 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:39:18,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:39:18,872 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:39:18,872 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:39:18,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:39:18 BoogieIcfgContainer [2020-07-29 01:39:18,880 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:39:18,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:39:18,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:39:18,881 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:39:18,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:39:14" (3/4) ... [2020-07-29 01:39:18,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:39:18,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:39:18,888 INFO L168 Benchmark]: Toolchain (without parser) took 5683.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 212.3 MB). Free memory was 957.5 MB in the beginning and 949.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 220.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:18,889 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:18,890 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:18,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:18,892 INFO L168 Benchmark]: Boogie Preprocessor took 47.62 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 01:39:18,892 INFO L168 Benchmark]: RCFGBuilder took 532.19 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:18,893 INFO L168 Benchmark]: BuchiAutomizer took 4309.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 949.6 MB in the end (delta: 126.5 MB). Peak memory consumption was 194.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:39:18,894 INFO L168 Benchmark]: Witness Printer took 5.74 ms. Allocated memory is still 1.2 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:39:18,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 723.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -161.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.62 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 532.19 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4309.23 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 67.6 MB). Free memory was 1.1 GB in the beginning and 949.6 MB in the end (delta: 126.5 MB). Peak memory consumption was 194.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.74 ms. Allocated memory is still 1.2 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * s + length2 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 17 SDtfs, 18 SDslu, 16 SDs, 0 SdLazy, 7 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital206 mio100 ax100 hnf99 lsp97 ukn74 mio100 lsp54 div100 bol100 ite100 ukn100 eq186 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...