./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 836fc197f01e8142cd1fe75cc7c363600c112d62 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:53:03,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:53:03,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:53:03,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:53:03,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:53:03,527 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:53:03,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:53:03,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:53:03,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:53:03,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:53:03,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:53:03,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:53:03,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:53:03,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:53:03,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:53:03,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:53:03,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:53:03,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:53:03,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:53:03,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:53:03,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:53:03,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:53:03,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:53:03,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:53:03,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:53:03,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:53:03,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:53:03,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:53:03,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:53:03,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:53:03,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:53:03,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:53:03,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:53:03,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:53:03,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:53:03,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:53:03,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:53:03,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:53:03,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:53:03,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:53:03,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:53:03,589 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:53:03,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:53:03,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:53:03,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:53:03,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:53:03,631 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:53:03,631 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:53:03,631 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:53:03,632 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:53:03,632 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:53:03,632 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:53:03,632 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:53:03,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:53:03,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:53:03,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:53:03,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:53:03,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:53:03,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:53:03,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:53:03,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:53:03,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:53:03,639 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:53:03,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:53:03,639 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:53:03,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:53:03,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:53:03,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:53:03,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:53:03,643 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:53:03,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:53:03,643 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:53:03,645 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:53:03,646 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:53:03,648 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 -> 836fc197f01e8142cd1fe75cc7c363600c112d62 [2019-11-28 03:53:03,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:53:03,992 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:53:03,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:53:03,996 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:53:03,997 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:53:03,997 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-28 03:53:04,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496cc60ff/db0d242302d548fe9ddee89cb1b7b050/FLAG4a7e16f30 [2019-11-28 03:53:04,561 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:53:04,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/cstrncpy-alloca-2.i [2019-11-28 03:53:04,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496cc60ff/db0d242302d548fe9ddee89cb1b7b050/FLAG4a7e16f30 [2019-11-28 03:53:04,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/496cc60ff/db0d242302d548fe9ddee89cb1b7b050 [2019-11-28 03:53:04,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:53:04,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:53:04,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:53:04,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:53:04,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:53:04,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:04" (1/1) ... [2019-11-28 03:53:04,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a937a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04, skipping insertion in model container [2019-11-28 03:53:04,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:04" (1/1) ... [2019-11-28 03:53:04,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:53:04,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:53:05,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:53:05,398 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:53:05,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:53:05,527 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:53:05,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05 WrapperNode [2019-11-28 03:53:05,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:53:05,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:53:05,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:53:05,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:53:05,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:53:05,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:53:05,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:53:05,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:53:05,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... [2019-11-28 03:53:05,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:53:05,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:53:05,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:53:05,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:53:05,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:53:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:53:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:53:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:53:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:53:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:53:06,065 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:53:06,065 INFO L297 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 03:53:06,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:06 BoogieIcfgContainer [2019-11-28 03:53:06,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:53:06,067 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:53:06,067 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:53:06,070 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:53:06,071 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:53:06,071 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:53:04" (1/3) ... [2019-11-28 03:53:06,072 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ee81013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:53:06, skipping insertion in model container [2019-11-28 03:53:06,072 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:53:06,072 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:05" (2/3) ... [2019-11-28 03:53:06,073 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ee81013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:53:06, skipping insertion in model container [2019-11-28 03:53:06,073 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:53:06,073 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:06" (3/3) ... [2019-11-28 03:53:06,075 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrncpy-alloca-2.i [2019-11-28 03:53:06,118 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:53:06,118 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:53:06,118 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:53:06,119 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:53:06,119 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:53:06,119 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:53:06,119 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:53:06,119 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:53:06,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 03:53:06,152 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-28 03:53:06,153 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:06,153 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:06,159 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:53:06,159 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:06,159 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:53:06,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-11-28 03:53:06,161 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-28 03:53:06,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:06,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:06,162 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:53:06,162 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:06,170 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 4#L535true assume !(main_~length~0 < 1); 6#L535-2true assume !(main_~n~0 < 1); 3#L538-1true call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 12#L544-3true [2019-11-28 03:53:06,171 INFO L796 eck$LassoCheckResult]: Loop: 12#L544-3true assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 10#L544-2true main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 12#L544-3true [2019-11-28 03:53:06,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:06,177 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-28 03:53:06,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:06,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852040765] [2019-11-28 03:53:06,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:06,315 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:06,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:06,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2019-11-28 03:53:06,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:06,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287613203] [2019-11-28 03:53:06,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:06,336 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:06,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:06,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2019-11-28 03:53:06,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:06,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138035659] [2019-11-28 03:53:06,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:06,382 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:06,642 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-11-28 03:53:06,728 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:06,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:06,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:06,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:06,729 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:06,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:06,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:06,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:06,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration1_Lasso [2019-11-28 03:53:06,731 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:06,731 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:06,756 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 03:53:06,763 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 03:53:06,766 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 03:53:06,769 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 03:53:06,774 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 03:53:06,939 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-11-28 03:53:06,969 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 03:53:06,973 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 03:53:06,980 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 03:53:06,987 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 03:53:06,992 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 03:53:06,998 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 03:53:07,001 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 03:53:07,006 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 03:53:07,336 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:07,341 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:07,358 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 03:53:07,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:07,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:07,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:07,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:07,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:07,364 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:07,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:07,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:07,385 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 03:53:07,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:07,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:07,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:07,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:07,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:07,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:07,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:07,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:07,413 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 03:53:07,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:07,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:07,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:07,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:07,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:07,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:07,418 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 03:53:07,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:07,435 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 03:53:07,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:07,438 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:07,438 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:07,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:07,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:07,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:07,452 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:07,465 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 03:53:07,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:07,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:07,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:07,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:07,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:07,485 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:07,502 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:07,636 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-28 03:53:07,636 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 11 variables to zero. 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 03:53:07,656 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:53:07,660 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:53:07,660 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:07,661 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2019-11-28 03:53:07,685 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-28 03:53:07,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:07,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:07,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:07,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:53:07,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:07,764 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 03:53:07,781 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:07,783 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 3 states. [2019-11-28 03:53:07,839 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 3 states. Result 39 states and 58 transitions. Complement of second has 7 states. [2019-11-28 03:53:07,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 39 transitions. [2019-11-28 03:53:07,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 03:53:07,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:07,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 03:53:07,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:07,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 39 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 03:53:07,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:07,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 58 transitions. [2019-11-28 03:53:07,851 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:53:07,856 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 13 states and 18 transitions. [2019-11-28 03:53:07,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 03:53:07,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:53:07,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2019-11-28 03:53:07,859 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:07,859 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-28 03:53:07,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2019-11-28 03:53:07,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-28 03:53:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 03:53:07,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2019-11-28 03:53:07,888 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-28 03:53:07,889 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2019-11-28 03:53:07,889 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:53:07,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2019-11-28 03:53:07,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:53:07,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:07,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:07,891 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:53:07,891 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:07,892 INFO L794 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 128#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 129#L535 assume !(main_~length~0 < 1); 136#L535-2 assume !(main_~n~0 < 1); 130#L538-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 131#L544-3 assume !(main_~i~0 < main_~length~0 - 1); 135#L544-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post2, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~post6, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 139#L520-2 [2019-11-28 03:53:07,892 INFO L796 eck$LassoCheckResult]: Loop: 139#L520-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post2 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post2 - 1;havoc cstrncpy_#t~post2;cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 140#L522 assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~mem5; 139#L520-2 [2019-11-28 03:53:07,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:07,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2019-11-28 03:53:07,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:07,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838326102] [2019-11-28 03:53:07,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:07,939 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:07,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:07,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 1 times [2019-11-28 03:53:07,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:07,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415010886] [2019-11-28 03:53:07,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:07,962 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:07,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384832, now seen corresponding path program 1 times [2019-11-28 03:53:07,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:07,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227725234] [2019-11-28 03:53:07,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:08,169 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 03:53:08,170 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227725234] [2019-11-28 03:53:08,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:53:08,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 03:53:08,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449816441] [2019-11-28 03:53:08,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:53:08,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 03:53:08,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-28 03:53:08,294 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 8 Second operand 7 states. [2019-11-28 03:53:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:53:08,429 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2019-11-28 03:53:08,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-28 03:53:08,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2019-11-28 03:53:08,431 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2019-11-28 03:53:08,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 24 transitions. [2019-11-28 03:53:08,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-28 03:53:08,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-28 03:53:08,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2019-11-28 03:53:08,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:08,434 INFO L688 BuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2019-11-28 03:53:08,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2019-11-28 03:53:08,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 16. [2019-11-28 03:53:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-28 03:53:08,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2019-11-28 03:53:08,437 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 03:53:08,438 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2019-11-28 03:53:08,438 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:53:08,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2019-11-28 03:53:08,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-28 03:53:08,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:08,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:08,440 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:53:08,441 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:08,441 INFO L794 eck$LassoCheckResult]: Stem: 184#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 178#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 179#L535 assume !(main_~length~0 < 1); 187#L535-2 assume !(main_~n~0 < 1); 180#L538-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 181#L544-3 assume !(main_~i~0 < main_~length~0 - 1); 185#L544-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post2, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~post6, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 193#L520-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post2 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post2 - 1;havoc cstrncpy_#t~post2;cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 192#L522 assume 0 == cstrncpy_#t~mem5;havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~mem5;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~n2~0 := cstrncpy_~n; 190#L525-3 [2019-11-28 03:53:08,441 INFO L796 eck$LassoCheckResult]: Loop: 190#L525-3 cstrncpy_#t~post6 := cstrncpy_~n2~0;cstrncpy_~n2~0 := cstrncpy_#t~post6 - 1; 189#L525-1 assume !!(0 != cstrncpy_#t~post6);havoc cstrncpy_#t~post6;cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset := cstrncpy_~us~0.base, cstrncpy_~us~0.offset;cstrncpy_~us~0.base, cstrncpy_~us~0.offset := cstrncpy_#t~post7.base, 1 + cstrncpy_#t~post7.offset;call write~int(0, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, 1);havoc cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset; 190#L525-3 [2019-11-28 03:53:08,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:08,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1298384817, now seen corresponding path program 1 times [2019-11-28 03:53:08,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:08,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622049519] [2019-11-28 03:53:08,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:08,503 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:08,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:08,504 INFO L82 PathProgramCache]: Analyzing trace with hash 2438, now seen corresponding path program 1 times [2019-11-28 03:53:08,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:08,505 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386843149] [2019-11-28 03:53:08,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:08,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:08,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:08,516 INFO L82 PathProgramCache]: Analyzing trace with hash -2087672522, now seen corresponding path program 1 times [2019-11-28 03:53:08,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:08,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393036927] [2019-11-28 03:53:08,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:08,594 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:09,361 WARN L192 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 129 [2019-11-28 03:53:09,546 WARN L192 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-28 03:53:09,549 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:09,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:09,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:09,550 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:09,550 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:09,550 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:09,550 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:09,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:09,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration3_Lasso [2019-11-28 03:53:09,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:09,551 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:09,564 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 03:53:09,985 WARN L192 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 87 [2019-11-28 03:53:10,140 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-11-28 03:53:10,141 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 03:53:10,149 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 03:53:10,151 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 03:53:10,155 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 03:53:10,158 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 03:53:10,160 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 03:53:10,163 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 03:53:10,166 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 03:53:10,168 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 03:53:10,170 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 03:53:10,172 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 03:53:10,176 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 03:53:10,178 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 03:53:10,180 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 03:53:10,182 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 03:53:10,185 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 03:53:10,187 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 03:53:10,189 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 03:53:10,192 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 03:53:10,195 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 03:53:10,197 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 03:53:10,199 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 03:53:10,201 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 03:53:10,203 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 03:53:10,496 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-11-28 03:53:10,869 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-11-28 03:53:10,992 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-11-28 03:53:11,169 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:11,170 INFO L489 LassoAnalysis]: Using template 'affine'. 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 03:53:11,178 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 03:53:11,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:11,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:11,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:11,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:11,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:11,192 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:11,199 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:11,215 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 03:53:11,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:11,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:11,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:11,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:11,220 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:11,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:11,224 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) [2019-11-28 03:53:11,241 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 03:53:11,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:11,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:11,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:11,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:11,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:11,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:11,250 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 03:53:11,258 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 03:53:11,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:11,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:11,262 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:53:11,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:11,314 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 03:53:11,314 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 03:53:11,461 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:11,631 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2019-11-28 03:53:11,631 INFO L444 ModelExtractionUtils]: 69 out of 111 variables were initially zero. Simplification set additionally 39 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:11,654 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:53:11,670 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2019-11-28 03:53:11,670 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:11,670 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~us~0.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2) = -1*ULTIMATE.start_cstrncpy_~us~0.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10.base)_2 Supporting invariants [] [2019-11-28 03:53:11,775 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-11-28 03:53:11,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:53:11,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:11,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 03:53:11,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:11,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:53:11,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:11,900 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 03:53:11,900 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2019-11-28 03:53:11,900 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand 5 states. [2019-11-28 03:53:11,953 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 18 states and 24 transitions. Complement of second has 6 states. [2019-11-28 03:53:11,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:11,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:53:11,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2019-11-28 03:53:11,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 03:53:11,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:11,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 03:53:11,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:11,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 03:53:11,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:11,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2019-11-28 03:53:11,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:53:11,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 11 states and 14 transitions. [2019-11-28 03:53:11,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-28 03:53:11,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 03:53:11,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-28 03:53:11,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:11,958 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:53:11,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-28 03:53:11,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 03:53:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 03:53:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-28 03:53:11,960 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:53:11,961 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:53:11,961 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:53:11,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-28 03:53:11,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 03:53:11,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:53:11,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:53:11,963 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:53:11,963 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 03:53:11,963 INFO L794 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 340#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_#t~malloc10.base, main_#t~malloc10.offset, main_#t~malloc11.base, main_#t~malloc11.offset, main_#t~nondet13, main_#t~post12, main_~i~0, main_#t~ret14.base, main_#t~ret14.offset, main_~length~0, main_~n~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~n~0 := main_#t~nondet9;havoc main_#t~nondet9; 341#L535 assume !(main_~length~0 < 1); 348#L535-2 assume !(main_~n~0 < 1); 342#L538-1 call main_#t~malloc10.base, main_#t~malloc10.offset := #Ultimate.allocOnStack(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc10.base, main_#t~malloc10.offset;call main_#t~malloc11.base, main_#t~malloc11.offset := #Ultimate.allocOnStack(main_~length~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc11.base, main_#t~malloc11.offset;main_~i~0 := 0; 343#L544-3 assume !!(main_~i~0 < main_~length~0 - 1);call write~int(main_#t~nondet13, main_~nondetString~0.base, main_~nondetString~0.offset + main_~i~0, 1);havoc main_#t~nondet13; 344#L544-2 main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 345#L544-3 assume !(main_~i~0 < main_~length~0 - 1); 347#L544-4 call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length~0 - 1), 1);cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset, cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset, cstrncpy_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset, main_~n~0;havoc cstrncpy_#res.base, cstrncpy_#res.offset;havoc cstrncpy_#t~post2, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, cstrncpy_#t~mem5, cstrncpy_#t~post7.base, cstrncpy_#t~post7.offset, cstrncpy_#t~post6, cstrncpy_~s1.base, cstrncpy_~s1.offset, cstrncpy_~s2.base, cstrncpy_~s2.offset, cstrncpy_~n, cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset, cstrncpy_~src~0.base, cstrncpy_~src~0.offset, cstrncpy_~us~0.base, cstrncpy_~us~0.offset, cstrncpy_~n2~0;cstrncpy_~s1.base, cstrncpy_~s1.offset := cstrncpy_#in~s1.base, cstrncpy_#in~s1.offset;cstrncpy_~s2.base, cstrncpy_~s2.offset := cstrncpy_#in~s2.base, cstrncpy_#in~s2.offset;cstrncpy_~n := cstrncpy_#in~n;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_~s1.base, cstrncpy_~s1.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_~s2.base, cstrncpy_~s2.offset;havoc cstrncpy_~us~0.base, cstrncpy_~us~0.offset;havoc cstrncpy_~n2~0; 349#L520-2 [2019-11-28 03:53:11,963 INFO L796 eck$LassoCheckResult]: Loop: 349#L520-2 assume !!(cstrncpy_~n > 0);cstrncpy_#t~post2 := cstrncpy_~n;cstrncpy_~n := cstrncpy_#t~post2 - 1;havoc cstrncpy_#t~post2;cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset := cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset;cstrncpy_~dst~0.base, cstrncpy_~dst~0.offset := cstrncpy_#t~post3.base, 1 + cstrncpy_#t~post3.offset;cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset := cstrncpy_~src~0.base, cstrncpy_~src~0.offset;cstrncpy_~src~0.base, cstrncpy_~src~0.offset := cstrncpy_#t~post4.base, 1 + cstrncpy_#t~post4.offset;call cstrncpy_#t~mem5 := read~int(cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset, 1);call write~int(cstrncpy_#t~mem5, cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset, 1); 350#L522 assume !(0 == cstrncpy_#t~mem5);havoc cstrncpy_#t~post4.base, cstrncpy_#t~post4.offset;havoc cstrncpy_#t~post3.base, cstrncpy_#t~post3.offset;havoc cstrncpy_#t~mem5; 349#L520-2 [2019-11-28 03:53:11,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:11,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2019-11-28 03:53:11,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:11,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422863809] [2019-11-28 03:53:11,965 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:11,987 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:11,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:11,988 INFO L82 PathProgramCache]: Analyzing trace with hash 2195, now seen corresponding path program 2 times [2019-11-28 03:53:11,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:11,988 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236920217] [2019-11-28 03:53:11,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:12,000 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:12,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:12,001 INFO L82 PathProgramCache]: Analyzing trace with hash -2034626526, now seen corresponding path program 1 times [2019-11-28 03:53:12,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:53:12,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848120586] [2019-11-28 03:53:12,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:53:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:53:12,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:53:12,545 WARN L192 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2019-11-28 03:53:12,706 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-11-28 03:53:12,709 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:53:12,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:53:12,709 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:53:12,709 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:53:12,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:53:12,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:12,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:53:12,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:53:12,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy-alloca-2.i_Iteration4_Lasso [2019-11-28 03:53:12,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:53:12,710 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:53:12,715 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 03:53:12,718 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 03:53:12,721 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 03:53:12,724 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 03:53:12,727 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 03:53:12,729 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 03:53:12,731 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 03:53:12,733 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 03:53:12,736 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 03:53:12,739 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 03:53:12,742 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 03:53:12,744 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 03:53:12,747 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 03:53:12,750 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 03:53:12,752 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 03:53:12,757 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 03:53:12,762 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 03:53:12,765 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 03:53:12,767 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 03:53:12,768 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 03:53:12,771 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 03:53:12,774 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 03:53:12,777 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 03:53:12,780 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 03:53:13,067 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-11-28 03:53:13,213 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2019-11-28 03:53:13,214 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 03:53:13,217 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 03:53:13,222 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 03:53:13,839 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:53:13,845 INFO L489 LassoAnalysis]: Using template 'affine'. 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 03:53:13,850 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 03:53:13,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,852 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,854 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 03:53:13,862 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 03:53:13,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,870 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,884 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 03:53:13,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,889 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:13,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:13,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:13,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,928 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 03:53:13,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,931 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) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,941 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 03:53:13,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,948 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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,953 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 03:53:13,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,963 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 03:53:13,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,973 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:13,989 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 03:53:13,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:13,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:13,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:13,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:13,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:13,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:13,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:13,997 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) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,005 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 03:53:14,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:14,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:53:14,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,018 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 03:53:14,019 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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,027 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 03:53:14,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,041 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,049 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 03:53:14,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,054 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 03:53:14,059 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 03:53:14,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,063 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,070 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 03:53:14,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,073 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,075 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) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,082 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 03:53:14,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,091 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 03:53:14,102 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 03:53:14,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,105 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 03:53:14,107 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 03:53:14,114 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 03:53:14,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,118 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 03:53:14,120 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 03:53:14,126 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 03:53:14,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,132 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 Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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 03:53:14,138 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 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,142 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 33 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 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,148 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 03:53:14,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,164 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:14,177 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 03:53:14,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,183 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 35 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,188 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 03:53:14,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,192 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 36 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,199 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 03:53:14,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,203 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 37 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 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,220 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 03:53:14,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:53:14,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:53:14,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:53:14,223 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 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,230 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 03:53:14,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,243 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 39 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 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,269 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 03:53:14,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,272 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,281 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:14,295 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 03:53:14,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,309 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 41 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 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,316 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 03:53:14,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:53:14,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:53:14,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:53:14,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:53:14,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:53:14,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:53:14,347 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:53:14,373 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 03:53:14,374 INFO L444 ModelExtractionUtils]: 22 out of 34 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:53:14,380 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:53:14,383 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:53:14,383 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:53:14,383 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~n) = 1*ULTIMATE.start_cstrncpy_~n Supporting invariants [] [2019-11-28 03:53:14,421 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2019-11-28 03:53:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:53:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:14,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:53:14,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:53:14,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:53:14,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:53:14,472 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 03:53:14,473 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:53:14,473 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 03:53:14,479 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 13 states and 16 transitions. Complement of second has 4 states. [2019-11-28 03:53:14,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:53:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:53:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2019-11-28 03:53:14,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2019-11-28 03:53:14,480 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:14,480 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2019-11-28 03:53:14,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:14,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2019-11-28 03:53:14,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:53:14,481 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2019-11-28 03:53:14,482 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:14,482 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2019-11-28 03:53:14,482 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:53:14,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:53:14,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:53:14,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:53:14,482 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:14,483 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:14,483 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:53:14,483 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:53:14,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:53:14,483 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:53:14,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:53:14,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:53:14 BoogieIcfgContainer [2019-11-28 03:53:14,489 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:53:14,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:53:14,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:53:14,490 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:53:14,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:06" (3/4) ... [2019-11-28 03:53:14,494 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:53:14,494 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:53:14,496 INFO L168 Benchmark]: Toolchain (without parser) took 9603.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.6 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -274.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:14,496 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:14,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:14,497 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:14,498 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:14,499 INFO L168 Benchmark]: RCFGBuilder took 453.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:14,499 INFO L168 Benchmark]: BuchiAutomizer took 8421.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -177.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:53:14,500 INFO L168 Benchmark]: Witness Printer took 4.92 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:53:14,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 633.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -123.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.02 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 453.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8421.90 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 184.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -177.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.92 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function -1 * us + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function n and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.3s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 7.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 16 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 51 SDtfs, 67 SDslu, 68 SDs, 0 SdLazy, 54 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax109 hnf99 lsp86 ukn83 mio100 lsp47 div100 bol100 ite100 ukn100 eq184 hnf88 smp98 dnf110 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 417ms VariablesStem: 21 VariablesLoop: 13 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...