./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 83897956e392064e8b9522b11a8bf4c25fb2a6e3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:52:53,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:52:53,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:52:53,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:52:53,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:52:53,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:52:53,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:52:53,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:52:53,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:52:53,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:52:53,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:52:53,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:52:53,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:52:53,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:52:53,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:52:53,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:52:53,624 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:52:53,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:52:53,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:52:53,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:52:53,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:52:53,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:52:53,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:52:53,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:52:53,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:52:53,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:52:53,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:52:53,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:52:53,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:52:53,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:52:53,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:52:53,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:52:53,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:52:53,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:52:53,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:52:53,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:52:53,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:52:53,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:52:53,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:52:53,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:52:53,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:52:53,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:52:53,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:52:53,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:52:53,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:52:53,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:52:53,668 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:52:53,668 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:52:53,668 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:52:53,669 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:52:53,669 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:52:53,669 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:52:53,669 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:52:53,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:52:53,670 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:52:53,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:52:53,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:52:53,671 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:52:53,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:52:53,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:52:53,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:52:53,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:52:53,672 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:52:53,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:52:53,673 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:52:53,673 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:52:53,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:52:53,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:52:53,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:52:53,674 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:52:53,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:52:53,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:52:53,675 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:52:53,676 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:52:53,677 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 -> 83897956e392064e8b9522b11a8bf4c25fb2a6e3 [2019-11-28 03:52:53,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:52:53,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:52:54,000 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:52:54,002 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:52:54,002 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:52:54,003 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-28 03:52:54,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3606b66df/13849c15e9b443e2b72c602ad4c3e471/FLAG6de5913f4 [2019-11-28 03:52:54,550 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:52:54,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrcpy-alloca-1.i [2019-11-28 03:52:54,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3606b66df/13849c15e9b443e2b72c602ad4c3e471/FLAG6de5913f4 [2019-11-28 03:52:54,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3606b66df/13849c15e9b443e2b72c602ad4c3e471 [2019-11-28 03:52:54,895 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:52:54,897 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:52:54,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:52:54,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:52:54,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:52:54,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:52:54" (1/1) ... [2019-11-28 03:52:54,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecf0186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:54, skipping insertion in model container [2019-11-28 03:52:54,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:52:54" (1/1) ... [2019-11-28 03:52:54,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:52:54,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:52:55,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:52:55,429 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:52:55,489 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:52:55,549 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:52:55,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55 WrapperNode [2019-11-28 03:52:55,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:52:55,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:52:55,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:52:55,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:52:55,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:52:55,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:52:55,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:52:55,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:52:55,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... [2019-11-28 03:52:55,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:52:55,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:52:55,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:52:55,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:52:55,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:52:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:52:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:52:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:52:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:52:55,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:52:56,017 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:52:56,018 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:52:56,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:56 BoogieIcfgContainer [2019-11-28 03:52:56,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:52:56,020 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:52:56,020 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:52:56,023 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:52:56,024 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:56,024 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:52:54" (1/3) ... [2019-11-28 03:52:56,026 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9ab4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:52:56, skipping insertion in model container [2019-11-28 03:52:56,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:56,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:52:55" (2/3) ... [2019-11-28 03:52:56,027 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c9ab4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:52:56, skipping insertion in model container [2019-11-28 03:52:56,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:52:56,027 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:56" (3/3) ... [2019-11-28 03:52:56,029 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca-1.i [2019-11-28 03:52:56,073 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:52:56,073 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:52:56,073 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:52:56,073 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:52:56,074 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:52:56,074 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:52:56,074 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:52:56,074 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:52:56,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 03:52:56,111 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:56,111 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:56,111 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:56,119 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:52:56,119 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:56,119 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:52:56,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 03:52:56,121 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:52:56,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:56,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:56,122 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:52:56,122 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:56,130 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 4#L525true assume !(main_~length1~0 < 1); 6#L525-2true assume !(main_~length2~0 < 1); 17#L528-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 9#L535-3true [2019-11-28 03:52:56,131 INFO L796 eck$LassoCheckResult]: Loop: 9#L535-3true assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 7#L535-2true main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 9#L535-3true [2019-11-28 03:52:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,136 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2019-11-28 03:52:56,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677775616] [2019-11-28 03:52:56,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,283 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2019-11-28 03:52:56,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,285 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2892651] [2019-11-28 03:52:56,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:56,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2019-11-28 03:52:56,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:56,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664183804] [2019-11-28 03:52:56,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:56,371 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:56,668 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-11-28 03:52:56,762 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:56,763 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:56,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:56,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:56,764 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:56,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:56,765 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:56,765 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:56,765 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration1_Lasso [2019-11-28 03:52:56,765 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:56,766 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:56,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:56,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:57,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:57,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:57,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:57,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:57,376 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:52:57,381 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,425 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) [2019-11-28 03:52:57,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,489 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 [2019-11-28 03:52:57,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,516 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 [2019-11-28 03:52:57,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,533 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 [2019-11-28 03:52:57,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,555 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 [2019-11-28 03:52:57,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:52:57,593 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,607 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:52:57,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:52:57,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:52:57,630 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 [2019-11-28 03:52:57,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,663 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) [2019-11-28 03:52:57,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,692 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 [2019-11-28 03:52:57,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:52:57,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:52:57,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:52:57,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:52:57,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:52:57,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:52:57,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:52:57,758 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:52:57,910 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2019-11-28 03:52:57,910 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 17 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:57,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:52:57,929 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:52:57,929 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:52:57,930 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length2~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length2~0 Supporting invariants [] [2019-11-28 03:52:57,956 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:52:57,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:52:58,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:52:58,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:52:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:58,064 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:52:58,066 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2019-11-28 03:52:58,126 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 36 states and 47 transitions. Complement of second has 7 states. [2019-11-28 03:52:58,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:52:58,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:52:58,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2019-11-28 03:52:58,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 03:52:58,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:58,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 03:52:58,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:58,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:52:58,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:52:58,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 47 transitions. [2019-11-28 03:52:58,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:58,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 11 states and 15 transitions. [2019-11-28 03:52:58,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 03:52:58,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 03:52:58,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 15 transitions. [2019-11-28 03:52:58,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:52:58,149 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 03:52:58,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 15 transitions. [2019-11-28 03:52:58,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 03:52:58,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 03:52:58,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 15 transitions. [2019-11-28 03:52:58,181 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 03:52:58,182 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 15 transitions. [2019-11-28 03:52:58,182 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:52:58,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 15 transitions. [2019-11-28 03:52:58,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:58,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:58,183 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:58,184 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:58,184 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:58,185 INFO L794 eck$LassoCheckResult]: Stem: 131#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 127#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 128#L525 assume !(main_~length1~0 < 1); 132#L525-2 assume !(main_~length2~0 < 1); 133#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 123#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 124#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 129#L518-3 [2019-11-28 03:52:58,185 INFO L796 eck$LassoCheckResult]: Loop: 129#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 130#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset; 129#L518-3 [2019-11-28 03:52:58,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2019-11-28 03:52:58,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390350174] [2019-11-28 03:52:58,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:58,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,228 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 1 times [2019-11-28 03:52:58,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,229 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180570028] [2019-11-28 03:52:58,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,247 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:58,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1302201911, now seen corresponding path program 1 times [2019-11-28 03:52:58,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,248 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254099026] [2019-11-28 03:52:58,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:52:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:52:58,463 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254099026] [2019-11-28 03:52:58,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:52:58,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 03:52:58,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421620679] [2019-11-28 03:52:58,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:52:58,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 03:52:58,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 03:52:58,567 INFO L87 Difference]: Start difference. First operand 11 states and 15 transitions. cyclomatic complexity: 6 Second operand 7 states. [2019-11-28 03:52:58,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:52:58,673 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2019-11-28 03:52:58,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 03:52:58,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-11-28 03:52:58,676 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:58,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 12 states and 15 transitions. [2019-11-28 03:52:58,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-28 03:52:58,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 03:52:58,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-28 03:52:58,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:52:58,677 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 03:52:58,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-28 03:52:58,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-28 03:52:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 03:52:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-28 03:52:58,680 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:52:58,680 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:52:58,680 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:52:58,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-28 03:52:58,681 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:52:58,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:52:58,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:52:58,682 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:52:58,682 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:52:58,683 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 167#L-1 havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~nondet10, main_#t~post9, main_~i~0, main_#t~ret11.base, main_#t~ret11.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 168#L525 assume !(main_~length1~0 < 1); 176#L525-2 assume !(main_~length2~0 < 1); 177#L528-1 assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;main_~i~0 := 0; 169#L535-3 assume !!(main_~i~0 < main_~length2~0 - 1);call write~int(main_#t~nondet10, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet10; 170#L535-2 main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 171#L535-3 assume !(main_~i~0 < main_~length2~0 - 1); 172#L535-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 174#L518-3 [2019-11-28 03:52:58,683 INFO L796 eck$LassoCheckResult]: Loop: 174#L518-3 cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 175#L518-1 assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset; 174#L518-3 [2019-11-28 03:52:58,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2019-11-28 03:52:58,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802438322] [2019-11-28 03:52:58,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,784 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:58,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,789 INFO L82 PathProgramCache]: Analyzing trace with hash 2182, now seen corresponding path program 2 times [2019-11-28 03:52:58,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,790 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068384571] [2019-11-28 03:52:58,790 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,809 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:58,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:52:58,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721881, now seen corresponding path program 1 times [2019-11-28 03:52:58,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:52:58,811 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856724059] [2019-11-28 03:52:58,811 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:52:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:52:58,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:52:59,282 WARN L192 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 98 [2019-11-28 03:52:59,416 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-11-28 03:52:59,419 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:52:59,419 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:52:59,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:52:59,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:52:59,419 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:52:59,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:52:59,419 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:52:59,419 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:52:59,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca-1.i_Iteration3_Lasso [2019-11-28 03:52:59,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:52:59,420 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:52:59,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,726 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2019-11-28 03:52:59,845 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-28 03:52:59,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:52:59,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:53:00,101 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-11-28 03:53:00,545 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:00,545 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,564 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,575 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,592 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,674 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,712 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,730 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,742 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,756 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 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:00,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,785 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,787 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,810 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,826 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:00,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:00,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,843 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:00,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,867 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:00,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:00,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:00,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:00,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:00,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:00,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:00,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:00,960 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:01,011 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 03:53:01,012 INFO L444 ModelExtractionUtils]: 42 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:01,021 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:01,026 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-28 03:53:01,026 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:01,026 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2, ULTIMATE.start_cstrcpy_~dst~0.offset) = 3*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_2 - 2*ULTIMATE.start_cstrcpy_~dst~0.offset Supporting invariants [3*ULTIMATE.start_cstrcpy_~src~0.offset - 2*ULTIMATE.start_cstrcpy_~dst~0.offset >= 0] [2019-11-28 03:53:01,091 INFO L297 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2019-11-28 03:53:01,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:53:01,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:01,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 03:53:01,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:53:01,252 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:53:01,252 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 03:53:01,292 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2019-11-28 03:53:01,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:53:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2019-11-28 03:53:01,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 03:53:01,295 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,295 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 03:53:01,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 03:53:01,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:01,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-28 03:53:01,297 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:01,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-28 03:53:01,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:53:01,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:53:01,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:53:01,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:01,298 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:01,298 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:01,298 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:01,298 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:53:01,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:53:01,298 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:01,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:53:01,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:53:01 BoogieIcfgContainer [2019-11-28 03:53:01,305 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:53:01,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:53:01,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:53:01,306 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:53:01,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:52:56" (3/4) ... [2019-11-28 03:53:01,309 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:53:01,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:53:01,312 INFO L168 Benchmark]: Toolchain (without parser) took 6414.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 952.3 MB in the beginning and 1.3 GB in the end (delta: -339.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:01,313 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:01,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:01,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.30 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. [2019-11-28 03:53:01,315 INFO L168 Benchmark]: Boogie Preprocessor took 27.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:01,315 INFO L168 Benchmark]: RCFGBuilder took 397.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:01,316 INFO L168 Benchmark]: BuchiAutomizer took 5285.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -203.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:01,317 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:01,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 653.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.30 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 27.12 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 397.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5285.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -203.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.58 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length2 and consists of 5 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -2 * dst and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 42 SDslu, 40 SDs, 0 SdLazy, 46 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital170 mio100 ax111 hnf98 lsp84 ukn81 mio100 lsp55 div100 bol100 ite100 ukn100 eq180 hnf89 smp99 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 2 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...