./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/cstrpbrk-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 61869dea11c33643d44719730b54f6ea8fd7faa2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:01:35,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:01:35,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:01:35,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:01:35,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:01:35,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:01:35,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:01:35,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:01:35,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:01:35,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:01:35,079 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:01:35,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:01:35,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:01:35,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:01:35,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:01:35,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:01:35,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:01:35,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:01:35,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:01:35,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:01:35,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:01:35,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:01:35,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:01:35,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:01:35,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:01:35,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:01:35,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:01:35,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:01:35,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:01:35,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:01:35,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:01:35,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:01:35,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:01:35,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:01:35,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:01:35,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:01:35,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:01:35,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:01:35,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:01:35,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:01:35,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:01:35,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:01:35,160 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:01:35,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:01:35,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:01:35,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:01:35,164 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:01:35,164 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:01:35,164 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:01:35,164 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:01:35,165 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:01:35,165 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:01:35,165 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:01:35,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:01:35,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:01:35,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:01:35,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:01:35,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:01:35,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:01:35,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:01:35,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:01:35,168 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:01:35,168 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:01:35,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:01:35,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:01:35,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:01:35,169 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:01:35,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:01:35,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:01:35,170 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:01:35,171 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:01:35,171 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61869dea11c33643d44719730b54f6ea8fd7faa2 [2019-11-28 03:01:35,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:01:35,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:01:35,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:01:35,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:01:35,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:01:35,500 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2019-11-28 03:01:35,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f016dbc1/0e2b1d6090774cc8a419da294758603f/FLAG325a71f06 [2019-11-28 03:01:36,024 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:01:36,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/cstrpbrk-alloca-1.i [2019-11-28 03:01:36,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f016dbc1/0e2b1d6090774cc8a419da294758603f/FLAG325a71f06 [2019-11-28 03:01:36,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f016dbc1/0e2b1d6090774cc8a419da294758603f [2019-11-28 03:01:36,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:01:36,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:01:36,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:36,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:01:36,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:01:36,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:36,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697dc3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36, skipping insertion in model container [2019-11-28 03:01:36,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:36,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:01:36,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:01:36,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:36,874 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:01:36,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:36,998 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:01:36,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36 WrapperNode [2019-11-28 03:01:36,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:37,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:37,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:01:37,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:01:37,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:37,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:01:37,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:01:37,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:01:37,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (1/1) ... [2019-11-28 03:01:37,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:01:37,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:01:37,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:01:37,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:01:37,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (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 03:01:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:01:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:01:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:01:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:01:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:01:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:01:37,472 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:01:37,473 INFO L297 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-28 03:01:37,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:37 BoogieIcfgContainer [2019-11-28 03:01:37,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:01:37,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:01:37,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:01:37,488 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:01:37,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:37,494 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:36" (1/3) ... [2019-11-28 03:01:37,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@137c79b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:37, skipping insertion in model container [2019-11-28 03:01:37,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:37,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:36" (2/3) ... [2019-11-28 03:01:37,497 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@137c79b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:37, skipping insertion in model container [2019-11-28 03:01:37,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:37,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:37" (3/3) ... [2019-11-28 03:01:37,500 INFO L371 chiAutomizerObserver]: Analyzing ICFG cstrpbrk-alloca-1.i [2019-11-28 03:01:37,551 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:01:37,551 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:01:37,551 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:01:37,552 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:01:37,553 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:01:37,553 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:01:37,553 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:01:37,553 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:01:37,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:01:37,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 03:01:37,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:37,585 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:37,590 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:01:37,590 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:01:37,590 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:01:37,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-28 03:01:37,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 03:01:37,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:37,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:37,593 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:01:37,593 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:01:37,602 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 8#L565true assume !(main_~length1~0 < 1); 12#L565-2true assume !(main_~length2~0 < 1); 6#L568-1true call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 3#L552-4true [2019-11-28 03:01:37,603 INFO L796 eck$LassoCheckResult]: Loop: 3#L552-4true call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 14#L552-1true assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 16#L555-5true assume !true; 19#L555-6true call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 5#L557true assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 20#L552-3true cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 3#L552-4true [2019-11-28 03:01:37,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:37,608 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2019-11-28 03:01:37,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:37,615 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633837495] [2019-11-28 03:01:37,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:37,790 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:37,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:37,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1454917130, now seen corresponding path program 1 times [2019-11-28 03:01:37,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:37,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50664570] [2019-11-28 03:01:37,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:37,831 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 03:01:37,832 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50664570] [2019-11-28 03:01:37,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:37,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 03:01:37,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156659709] [2019-11-28 03:01:37,839 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:01:37,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:37,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 03:01:37,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 03:01:37,858 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-28 03:01:37,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:37,866 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2019-11-28 03:01:37,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:01:37,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-11-28 03:01:37,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 03:01:37,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 13 states and 17 transitions. [2019-11-28 03:01:37,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2019-11-28 03:01:37,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2019-11-28 03:01:37,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2019-11-28 03:01:37,876 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:37,877 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-28 03:01:37,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2019-11-28 03:01:37,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-28 03:01:37,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 03:01:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2019-11-28 03:01:37,905 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-28 03:01:37,906 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2019-11-28 03:01:37,906 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:01:37,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2019-11-28 03:01:37,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 03:01:37,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:37,907 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:37,907 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-28 03:01:37,907 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:01:37,908 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 53#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 49#L565 assume !(main_~length1~0 < 1); 50#L565-2 assume !(main_~length2~0 < 1); 48#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 44#L552-4 [2019-11-28 03:01:37,908 INFO L796 eck$LassoCheckResult]: Loop: 44#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 45#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 56#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 51#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 52#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5; 55#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 46#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 47#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 44#L552-4 [2019-11-28 03:01:37,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:37,908 INFO L82 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2019-11-28 03:01:37,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:37,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314626574] [2019-11-28 03:01:37,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:37,953 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:37,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:37,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1927396657, now seen corresponding path program 1 times [2019-11-28 03:01:37,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:37,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205837887] [2019-11-28 03:01:37,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:37,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:37,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:37,993 INFO L82 PathProgramCache]: Analyzing trace with hash -102988426, now seen corresponding path program 1 times [2019-11-28 03:01:37,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:37,994 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135786125] [2019-11-28 03:01:37,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:38,108 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:38,338 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2019-11-28 03:01:38,651 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-11-28 03:01:39,015 WARN L192 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2019-11-28 03:01:39,142 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-28 03:01:39,156 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:39,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:39,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:39,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:39,158 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:39,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:39,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:39,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:39,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration2_Lasso [2019-11-28 03:01:39,159 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:39,159 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:39,190 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 03:01:39,196 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 03:01:39,199 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 03:01:39,201 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 03:01:39,204 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 03:01:39,210 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 03:01:39,227 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 03:01:39,231 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 03:01:39,236 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 03:01:39,241 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 03:01:39,244 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 03:01:39,248 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 03:01:39,250 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 03:01:39,253 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 03:01:39,257 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 03:01:39,262 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 03:01:39,266 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 03:01:39,269 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 03:01:39,652 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-11-28 03:01:39,891 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-28 03:01:39,892 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 03:01:39,900 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 03:01:39,904 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 03:01:39,907 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 03:01:39,909 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 03:01:40,452 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 28 [2019-11-28 03:01:40,588 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:40,596 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,613 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 03:01:40,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,631 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,640 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 03:01:40,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,649 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,661 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 03:01:40,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,668 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 03:01:40,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:40,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,686 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 03:01:40,698 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 03:01:40,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,703 INFO L402 nArgumentSynthesizer]: A total of 0 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 03:01:40,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,716 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 03:01:40,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:40,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:40,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,763 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 03:01:40,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,772 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 03:01:40,791 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 03:01:40,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,798 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,804 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 03:01:40,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:40,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:40,813 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 03:01:40,829 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 03:01:40,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,835 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,842 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 03:01:40,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:40,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:40,850 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,858 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 03:01:40,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,870 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 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 03:01:40,876 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 03:01:40,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,881 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 03:01:40,893 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 03:01:40,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,896 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,899 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 03:01:40,909 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 03:01:40,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,914 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 03:01:40,921 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 03:01:40,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,928 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 03:01:40,935 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 03:01:40,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:40,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:40,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:40,943 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:40,953 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 Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:40,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:40,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:40,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:40,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:40,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:40,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:40,979 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:41,087 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 03:01:41,087 INFO L444 ModelExtractionUtils]: 19 out of 28 variables were initially zero. Simplification set additionally 6 variables to zero. 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 03:01:41,132 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:41,138 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:01:41,138 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:41,139 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1, ULTIMATE.start_cstrpbrk_~sc1~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc12.base)_1 - 1*ULTIMATE.start_cstrpbrk_~sc1~0.offset Supporting invariants [] [2019-11-28 03:01:41,181 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-28 03:01:41,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:01:41,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:41,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:01:41,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:41,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:01:41,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:41,306 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 03:01:41,310 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 03:01:41,311 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 03:01:41,387 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 21 states and 28 transitions. Complement of second has 4 states. [2019-11-28 03:01:41,388 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 03:01:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:01:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 17 transitions. [2019-11-28 03:01:41,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 8 letters. [2019-11-28 03:01:41,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:41,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 13 letters. Loop has 8 letters. [2019-11-28 03:01:41,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:41,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 17 transitions. Stem has 5 letters. Loop has 16 letters. [2019-11-28 03:01:41,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:41,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2019-11-28 03:01:41,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:41,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 25 transitions. [2019-11-28 03:01:41,396 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2019-11-28 03:01:41,397 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-28 03:01:41,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2019-11-28 03:01:41,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:41,397 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-28 03:01:41,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2019-11-28 03:01:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-28 03:01:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 03:01:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2019-11-28 03:01:41,400 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-28 03:01:41,400 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2019-11-28 03:01:41,400 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:01:41,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2019-11-28 03:01:41,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:41,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:41,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:41,401 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:01:41,401 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:41,402 INFO L794 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 191#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 185#L565 assume !(main_~length1~0 < 1); 186#L565-2 assume !(main_~length2~0 < 1); 184#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 178#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 180#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 193#L555-5 [2019-11-28 03:01:41,402 INFO L796 eck$LassoCheckResult]: Loop: 193#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 187#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 188#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 193#L555-5 [2019-11-28 03:01:41,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:41,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1806935595, now seen corresponding path program 1 times [2019-11-28 03:01:41,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:41,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937428772] [2019-11-28 03:01:41,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:41,446 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:41,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:41,446 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 1 times [2019-11-28 03:01:41,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:41,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950031348] [2019-11-28 03:01:41,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:41,461 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:41,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:41,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1593218778, now seen corresponding path program 1 times [2019-11-28 03:01:41,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:41,462 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717086964] [2019-11-28 03:01:41,462 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:41,571 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:42,150 WARN L192 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 97 [2019-11-28 03:01:42,318 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-11-28 03:01:42,322 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:42,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:42,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:42,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:42,323 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:42,323 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:42,323 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:42,323 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:42,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration3_Lasso [2019-11-28 03:01:42,324 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:42,324 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:42,329 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 03:01:42,334 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 03:01:42,336 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 03:01:42,338 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 03:01:42,340 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 03:01:42,342 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 03:01:42,347 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 03:01:42,351 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 03:01:42,354 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 03:01:42,357 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 03:01:42,359 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 03:01:42,361 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 03:01:42,368 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 03:01:42,374 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 03:01:42,378 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 03:01:42,380 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 03:01:42,382 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 03:01:42,384 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 03:01:42,386 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 03:01:42,388 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 03:01:42,393 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 03:01:42,775 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 75 [2019-11-28 03:01:42,891 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-11-28 03:01:42,892 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 03:01:42,899 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 03:01:43,671 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-28 03:01:43,685 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:43,685 INFO L489 LassoAnalysis]: Using template 'affine'. 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 03:01:43,691 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 03:01:43,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,695 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 03:01:43,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:43,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,716 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:43,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,736 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:43,754 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 03:01:43,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:43,765 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 03:01:43,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:43,776 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 03:01:43,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:43,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:43,789 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 03:01:43,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,793 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 03:01:43,801 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 03:01:43,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:43,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:43,810 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:43,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,823 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,829 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 03:01:43,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,837 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 03:01:43,842 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 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,851 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 03:01:43,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:43,855 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:43,861 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 03:01:43,866 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 03:01:43,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,870 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 34 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:43,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,880 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 03:01:43,886 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 03:01:43,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,890 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 03:01:43,896 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 03:01:43,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,901 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) [2019-11-28 03:01:43,912 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 03:01:43,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,921 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 03:01:43,927 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 03:01:43,929 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,932 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 03:01:43,938 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 03:01:43,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:43,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:43,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:43,943 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) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,949 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 03:01:43,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:43,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:43,964 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) [2019-11-28 03:01:43,971 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 03:01:43,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:43,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:43,981 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:43,988 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 03:01:43,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:43,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:43,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:43,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:43,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:43,999 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:44,014 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 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:44,022 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 03:01:44,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:44,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:44,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:44,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:44,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:44,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:44,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:44,116 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 03:01:44,116 INFO L444 ModelExtractionUtils]: 9 out of 43 variables were initially zero. Simplification set additionally 31 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:44,120 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:44,122 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:01:44,122 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:44,122 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrpbrk_~s~0.offset, v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2) = -1*ULTIMATE.start_cstrpbrk_~s~0.offset + 1*v_rep(select #length ULTIMATE.start_cstrpbrk_~s~0.base)_2 Supporting invariants [] [2019-11-28 03:01:44,190 INFO L297 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2019-11-28 03:01:44,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:01:44,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:44,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:01:44,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:44,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 03:01:44,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:44,245 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 03:01:44,246 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 03:01:44,246 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9 Second operand 3 states. [2019-11-28 03:01:44,272 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 9. Second operand 3 states. Result 43 states and 57 transitions. Complement of second has 5 states. [2019-11-28 03:01:44,273 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 03:01:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 03:01:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2019-11-28 03:01:44,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-28 03:01:44,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:44,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 10 letters. Loop has 3 letters. [2019-11-28 03:01:44,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:44,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 7 letters. Loop has 6 letters. [2019-11-28 03:01:44,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:44,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2019-11-28 03:01:44,277 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:44,278 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 30 states and 40 transitions. [2019-11-28 03:01:44,278 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:01:44,278 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:01:44,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2019-11-28 03:01:44,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:44,279 INFO L688 BuchiCegarLoop]: Abstraction has 30 states and 40 transitions. [2019-11-28 03:01:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2019-11-28 03:01:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2019-11-28 03:01:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-28 03:01:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2019-11-28 03:01:44,282 INFO L711 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-28 03:01:44,282 INFO L591 BuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2019-11-28 03:01:44,283 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 03:01:44,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2019-11-28 03:01:44,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:44,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:44,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:44,285 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:01:44,285 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:44,285 INFO L794 eck$LassoCheckResult]: Stem: 365#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 364#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 358#L565 assume !(main_~length1~0 < 1); 359#L565-2 assume !(main_~length2~0 < 1); 357#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 350#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 351#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 367#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 372#L555-1 assume !cstrpbrk_#t~short7; 371#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5; 370#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 355#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 356#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 352#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 354#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 366#L555-5 [2019-11-28 03:01:44,285 INFO L796 eck$LassoCheckResult]: Loop: 366#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 360#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 361#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 366#L555-5 [2019-11-28 03:01:44,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:44,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1587378397, now seen corresponding path program 1 times [2019-11-28 03:01:44,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:44,286 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35015008] [2019-11-28 03:01:44,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:44,363 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35015008] [2019-11-28 03:01:44,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:44,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-28 03:01:44,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947773597] [2019-11-28 03:01:44,364 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:01:44,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:44,365 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 2 times [2019-11-28 03:01:44,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:44,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951918139] [2019-11-28 03:01:44,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,389 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:44,622 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-11-28 03:01:44,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:44,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-28 03:01:44,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-28 03:01:44,624 INFO L87 Difference]: Start difference. First operand 24 states and 33 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-28 03:01:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:44,726 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2019-11-28 03:01:44,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 03:01:44,726 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2019-11-28 03:01:44,728 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 03:01:44,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 27 states and 35 transitions. [2019-11-28 03:01:44,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-28 03:01:44,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-28 03:01:44,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 35 transitions. [2019-11-28 03:01:44,729 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:44,729 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2019-11-28 03:01:44,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 35 transitions. [2019-11-28 03:01:44,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2019-11-28 03:01:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-28 03:01:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2019-11-28 03:01:44,732 INFO L711 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-28 03:01:44,732 INFO L591 BuchiCegarLoop]: Abstraction has 25 states and 33 transitions. [2019-11-28 03:01:44,732 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 03:01:44,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 33 transitions. [2019-11-28 03:01:44,733 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:44,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:44,733 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:44,734 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:01:44,734 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:44,734 INFO L794 eck$LassoCheckResult]: Stem: 437#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 436#L-1 havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~malloc12.base, main_#t~malloc12.offset, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~ret14.base, main_#t~ret14.offset, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet10;havoc main_#t~nondet10;main_~length2~0 := main_#t~nondet11;havoc main_#t~nondet11; 430#L565 assume !(main_~length1~0 < 1); 431#L565-2 assume !(main_~length2~0 < 1); 429#L568-1 call main_#t~malloc12.base, main_#t~malloc12.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc12.base, main_#t~malloc12.offset;call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset, cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;havoc cstrpbrk_#res.base, cstrpbrk_#res.offset;havoc cstrpbrk_#t~mem4, cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset, cstrpbrk_#t~mem5, cstrpbrk_#t~mem6, cstrpbrk_#t~short7, cstrpbrk_#t~mem9, cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset, cstrpbrk_#t~mem3, cstrpbrk_~s1.base, cstrpbrk_~s1.offset, cstrpbrk_~s2.base, cstrpbrk_~s2.offset, cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, cstrpbrk_~c~0;cstrpbrk_~s1.base, cstrpbrk_~s1.offset := cstrpbrk_#in~s1.base, cstrpbrk_#in~s1.offset;cstrpbrk_~s2.base, cstrpbrk_~s2.offset := cstrpbrk_#in~s2.base, cstrpbrk_#in~s2.offset;havoc cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;havoc cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;havoc cstrpbrk_~c~0;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_~s1.base, cstrpbrk_~s1.offset; 422#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 423#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 439#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 440#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 442#L555-3 assume !cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5; 441#L555-6 call cstrpbrk_#t~mem9 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1); 427#L557 assume !(cstrpbrk_#t~mem9 != cstrpbrk_~c~0);havoc cstrpbrk_#t~mem9; 428#L552-3 cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset := cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset;cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset := cstrpbrk_#t~post2.base, 1 + cstrpbrk_#t~post2.offset;havoc cstrpbrk_#t~post2.base, cstrpbrk_#t~post2.offset; 424#L552-4 call cstrpbrk_#t~mem3 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1); 426#L552-1 assume !!(0 != cstrpbrk_#t~mem3);havoc cstrpbrk_#t~mem3;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_~s2.base, cstrpbrk_~s2.offset;call cstrpbrk_#t~mem4 := read~int(cstrpbrk_~sc1~0.base, cstrpbrk_~sc1~0.offset, 1);cstrpbrk_~c~0 := cstrpbrk_#t~mem4;havoc cstrpbrk_#t~mem4; 438#L555-5 [2019-11-28 03:01:44,735 INFO L796 eck$LassoCheckResult]: Loop: 438#L555-5 call cstrpbrk_#t~mem5 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := 0 != cstrpbrk_#t~mem5; 432#L555-1 assume cstrpbrk_#t~short7;call cstrpbrk_#t~mem6 := read~int(cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset, 1);cstrpbrk_#t~short7 := cstrpbrk_#t~mem6 != (if cstrpbrk_~c~0 % 256 <= 127 then cstrpbrk_~c~0 % 256 else cstrpbrk_~c~0 % 256 - 256); 433#L555-3 assume !!cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem6;havoc cstrpbrk_#t~short7;havoc cstrpbrk_#t~mem5;cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset := cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset;cstrpbrk_~s~0.base, cstrpbrk_~s~0.offset := cstrpbrk_#t~post8.base, 1 + cstrpbrk_#t~post8.offset;havoc cstrpbrk_#t~post8.base, cstrpbrk_#t~post8.offset; 438#L555-5 [2019-11-28 03:01:44,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:44,735 INFO L82 PathProgramCache]: Analyzing trace with hash -187628965, now seen corresponding path program 2 times [2019-11-28 03:01:44,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:44,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882447522] [2019-11-28 03:01:44,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,777 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:44,777 INFO L82 PathProgramCache]: Analyzing trace with hash 58692, now seen corresponding path program 3 times [2019-11-28 03:01:44,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:44,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893507627] [2019-11-28 03:01:44,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,788 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:44,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:44,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1902015318, now seen corresponding path program 1 times [2019-11-28 03:01:44,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:44,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554254477] [2019-11-28 03:01:44,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:44,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:44,834 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:45,020 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 03:01:45,703 WARN L192 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 134 [2019-11-28 03:01:46,811 WARN L192 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2019-11-28 03:01:46,815 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:46,815 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:46,815 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:46,815 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:46,815 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:46,816 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:46,816 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:46,816 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:46,816 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrpbrk-alloca-1.i_Iteration5_Lasso [2019-11-28 03:01:46,816 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:46,816 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:46,825 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 03:01:46,854 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 03:01:46,856 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 03:01:46,857 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 03:01:46,859 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 03:01:46,861 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 03:01:46,868 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 03:01:46,869 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 03:01:47,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-11-28 03:01:47,917 WARN L192 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2019-11-28 03:01:48,084 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-11-28 03:01:48,085 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 03:01:48,087 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 03:01:48,090 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 03:01:48,091 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 03:01:48,094 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 03:01:48,096 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 03:01:48,098 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 03:01:48,100 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 03:01:48,101 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 03:01:48,110 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 03:01:48,119 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 03:01:48,120 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 03:01:48,122 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 03:01:48,123 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 03:01:48,126 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 03:01:48,493 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-28 03:01:49,143 WARN L192 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2019-11-28 03:01:49,359 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2019-11-28 03:01:49,392 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:49,392 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,406 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 03:01:49,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:49,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:49,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:49,411 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 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,417 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 03:01:49,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:49,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:49,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:49,423 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 47 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,428 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 03:01:49,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:49,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:49,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:49,441 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 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:49,451 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 03:01:49,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:49,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:49,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,456 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 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:49,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:49,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:49,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:49,472 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 50 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:49,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,484 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 51 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 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,491 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 03:01:49,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:49,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:49,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:49,494 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 52 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 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,502 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 03:01:49,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,514 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 53 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 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,519 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 03:01:49,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,525 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 54 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,531 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 03:01:49,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,539 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 55 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 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:49,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,549 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,551 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 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,556 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 03:01:49,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,563 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 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,570 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 03:01:49,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:49,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,596 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 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:49,607 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:49,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:49,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:49,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:49,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:49,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:49,637 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:49,652 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2019-11-28 03:01:49,652 INFO L444 ModelExtractionUtils]: 32 out of 49 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:49,659 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:49,661 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:01:49,661 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:49,661 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3, ULTIMATE.start_cstrpbrk_~s~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13.base)_3 - 1*ULTIMATE.start_cstrpbrk_~s~0.offset Supporting invariants [] [2019-11-28 03:01:49,806 INFO L297 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2019-11-28 03:01:49,810 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 03:01:49,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:49,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:01:49,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:49,896 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:01:49,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:49,911 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 03:01:49,912 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:01:49,912 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 03:01:49,966 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-11-28 03:01:49,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:49,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:01:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-28 03:01:49,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-28 03:01:49,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:49,969 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 03:01:49,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:50,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:01:50,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:50,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:01:50,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:50,056 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 03:01:50,056 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:01:50,056 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 03:01:50,105 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 51 transitions. Complement of second has 6 states. [2019-11-28 03:01:50,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:50,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:01:50,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-11-28 03:01:50,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-28 03:01:50,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:50,110 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 03:01:50,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:50,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 03:01:50,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:50,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:01:50,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:50,187 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 03:01:50,187 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-28 03:01:50,188 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11 Second operand 4 states. [2019-11-28 03:01:50,243 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 33 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 41 states and 53 transitions. Complement of second has 5 states. [2019-11-28 03:01:50,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:01:50,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2019-11-28 03:01:50,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 3 letters. [2019-11-28 03:01:50,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:50,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 18 letters. Loop has 3 letters. [2019-11-28 03:01:50,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:50,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 15 letters. Loop has 6 letters. [2019-11-28 03:01:50,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:50,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 53 transitions. [2019-11-28 03:01:50,249 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:50,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2019-11-28 03:01:50,250 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:01:50,250 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:01:50,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:01:50,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:50,250 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:50,250 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:50,250 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:50,250 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 03:01:50,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:01:50,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:50,251 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:01:50,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:50 BoogieIcfgContainer [2019-11-28 03:01:50,257 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:01:50,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:01:50,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:01:50,258 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:01:50,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:37" (3/4) ... [2019-11-28 03:01:50,262 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:01:50,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:01:50,264 INFO L168 Benchmark]: Toolchain (without parser) took 13875.96 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 369.6 MB). Free memory was 961.7 MB in the beginning and 925.9 MB in the end (delta: 35.8 MB). Peak memory consumption was 405.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:50,265 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:50,265 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:50,266 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:50,266 INFO L168 Benchmark]: Boogie Preprocessor took 44.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:50,267 INFO L168 Benchmark]: RCFGBuilder took 366.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:50,267 INFO L168 Benchmark]: BuchiAutomizer took 12782.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.6 MB). Free memory was 1.1 GB in the beginning and 925.9 MB in the end (delta: 182.8 MB). Peak memory consumption was 400.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:50,268 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 1.4 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:50,270 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 366.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12782.33 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 217.6 MB). Free memory was 1.1 GB in the beginning and 925.9 MB in the end (delta: 182.8 MB). Peak memory consumption was 400.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.78 ms. Allocated memory is still 1.4 GB. Free memory is still 925.9 MB. 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * sc1 and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[s] and consists of 3 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 121 SDslu, 67 SDs, 0 SdLazy, 101 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital366 mio100 ax105 hnf99 lsp87 ukn71 mio100 lsp31 div133 bol100 ite100 ukn100 eq165 hnf77 smp91 dnf725 smp23 tf100 neg96 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...