./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-libowfat/strcat.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-libowfat/strcat.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 169307d87ddc37871e07877236048b02359797e9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:59:33,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:59:33,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:59:33,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:59:33,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:59:33,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:59:33,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:59:33,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:59:33,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:59:33,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:59:33,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:59:33,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:59:33,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:59:33,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:59:33,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:59:33,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:59:33,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:59:33,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:59:33,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:59:33,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:59:33,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:59:33,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:59:33,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:59:33,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:59:33,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:59:33,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:59:33,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:59:33,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:59:33,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:59:33,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:59:33,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:59:33,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:59:33,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:59:33,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:59:33,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:59:33,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:59:33,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:59:33,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:59:33,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:59:33,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:59:33,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:59:33,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:59:33,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:59:33,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:59:33,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:59:33,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:59:33,229 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:59:33,229 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:59:33,229 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:59:33,229 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:59:33,229 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:59:33,230 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:59:33,231 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:59:33,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:59:33,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:59:33,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:59:33,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:59:33,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:59:33,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:59:33,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:59:33,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:59:33,234 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:59:33,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:59:33,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:59:33,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:59:33,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:59:33,235 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:59:33,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:59:33,236 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:59:33,236 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:59:33,237 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:59:33,238 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 -> 169307d87ddc37871e07877236048b02359797e9 [2019-11-28 02:59:33,551 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:59:33,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:59:33,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:59:33,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:59:33,569 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:59:33,570 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-libowfat/strcat.i [2019-11-28 02:59:33,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8959c394c/82c46ef3094c46a3946fb57ff16f32b8/FLAG7e3f0ab8b [2019-11-28 02:59:34,172 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:59:34,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-libowfat/strcat.i [2019-11-28 02:59:34,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8959c394c/82c46ef3094c46a3946fb57ff16f32b8/FLAG7e3f0ab8b [2019-11-28 02:59:34,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8959c394c/82c46ef3094c46a3946fb57ff16f32b8 [2019-11-28 02:59:34,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:59:34,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:59:34,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:59:34,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:59:34,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:59:34,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:34" (1/1) ... [2019-11-28 02:59:34,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1fefb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:34, skipping insertion in model container [2019-11-28 02:59:34,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:34" (1/1) ... [2019-11-28 02:59:34,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:59:34,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:59:34,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:59:34,935 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:59:35,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:59:35,072 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:59:35,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35 WrapperNode [2019-11-28 02:59:35,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:59:35,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:59:35,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:59:35,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:59:35,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:59:35,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:59:35,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:59:35,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:59:35,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (1/1) ... [2019-11-28 02:59:35,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:59:35,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:59:35,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:59:35,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:59:35,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (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 02:59:35,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 02:59:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 02:59:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 02:59:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 02:59:35,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:59:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:59:35,665 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:59:35,666 INFO L297 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-28 02:59:35,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:35 BoogieIcfgContainer [2019-11-28 02:59:35,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:59:35,668 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:59:35,668 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:59:35,672 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:59:35,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:35,674 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:59:34" (1/3) ... [2019-11-28 02:59:35,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57cf9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:35, skipping insertion in model container [2019-11-28 02:59:35,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:35,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:35" (2/3) ... [2019-11-28 02:59:35,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57cf9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:35, skipping insertion in model container [2019-11-28 02:59:35,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:35,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:35" (3/3) ... [2019-11-28 02:59:35,679 INFO L371 chiAutomizerObserver]: Analyzing ICFG strcat.i [2019-11-28 02:59:35,727 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:59:35,727 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:59:35,727 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:59:35,727 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:59:35,728 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:59:35,728 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:59:35,728 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:59:35,728 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:59:35,742 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-28 02:59:35,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-28 02:59:35,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:35,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:35,773 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 02:59:35,774 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 02:59:35,774 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:59:35,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states. [2019-11-28 02:59:35,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-28 02:59:35,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:35,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:35,777 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 02:59:35,777 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 02:59:35,784 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~malloc19.base, main_#t~malloc19.offset, main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~ret23.base, main_#t~ret23.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet18;havoc main_#t~nondet18; 4#L526true assume !(main_~in_len~0 < 1);call main_#t~malloc19.base, main_#t~malloc19.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc19.base, main_#t~malloc19.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 15#L530true assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet21;havoc main_#t~nondet21; 11#L532true assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_#t~mem9, strcat_#t~pre10.base, strcat_#t~pre10.offset, strcat_#t~pre11.base, strcat_#t~pre11.offset, strcat_#t~mem12, strcat_#t~pre13.base, strcat_#t~pre13.offset, strcat_#t~pre14.base, strcat_#t~pre14.offset, strcat_#t~mem15, strcat_#t~pre16.base, strcat_#t~pre16.offset, strcat_#t~pre17.base, strcat_#t~pre17.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 18#L508true assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 3#L509-4true [2019-11-28 02:59:35,785 INFO L796 eck$LassoCheckResult]: Loop: 3#L509-4true call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 19#L509-1true assume !!(0 != strlen_#t~mem4);havoc strlen_#t~mem4;strlen_#t~pre3 := 1 + strlen_~i~0;strlen_~i~0 := 1 + strlen_~i~0;havoc strlen_#t~pre3; 23#L509-3true strlen_#t~pre2.base, strlen_#t~pre2.offset := strlen_~s.base, 1 + strlen_~s.offset;strlen_~s.base, strlen_~s.offset := strlen_~s.base, 1 + strlen_~s.offset;havoc strlen_#t~pre2.base, strlen_#t~pre2.offset; 3#L509-4true [2019-11-28 02:59:35,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:35,790 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2019-11-28 02:59:35,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:35,797 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525892763] [2019-11-28 02:59:35,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:35,959 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:35,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:35,961 INFO L82 PathProgramCache]: Analyzing trace with hash 55771, now seen corresponding path program 1 times [2019-11-28 02:59:35,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:35,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183165190] [2019-11-28 02:59:35,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:35,978 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:35,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:35,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1271629391, now seen corresponding path program 1 times [2019-11-28 02:59:35,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:35,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081730358] [2019-11-28 02:59:35,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:36,106 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:36,756 WARN L192 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 105 [2019-11-28 02:59:36,945 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-28 02:59:36,960 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:36,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:36,961 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:36,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:36,961 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:59:36,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:36,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:36,962 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:36,962 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat.i_Iteration1_Lasso [2019-11-28 02:59:36,962 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:36,963 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:36,993 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 02:59:37,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:37,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:37,008 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 02:59:37,011 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 02:59:37,014 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 02:59:37,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:37,022 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 02:59:37,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:37,029 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 02:59:37,031 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 02:59:37,034 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 02:59:37,036 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 02:59:37,039 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 02:59:37,041 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 02:59:37,043 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 02:59:37,046 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 02:59:37,048 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 02:59:37,051 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 02:59:37,053 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 02:59:37,055 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 02:59:37,058 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 02:59:37,060 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 02:59:37,064 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 02:59:37,066 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 02:59:37,069 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 02:59:37,071 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 02:59:37,074 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 02:59:37,424 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-11-28 02:59:37,493 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 02:59:37,498 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 02:59:37,500 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 02:59:37,503 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 02:59:37,506 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 02:59:37,508 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 02:59:37,511 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 02:59:37,514 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 02:59:37,518 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 02:59:37,521 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 02:59:37,817 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2019-11-28 02:59:38,174 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:59:38,180 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 02:59:38,192 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 02:59:38,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,204 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 02:59:38,221 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 02:59:38,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,226 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,254 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 02:59:38,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,259 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,261 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,273 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 02:59:38,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,279 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 02:59:38,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,297 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 02:59:38,313 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 02:59:38,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:38,325 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) [2019-11-28 02:59:38,341 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,347 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 02:59:38,355 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 02:59:38,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,361 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 02:59:38,375 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 02:59:38,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,384 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:38,390 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) [2019-11-28 02:59:38,407 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 02:59:38,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,414 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,431 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 02:59:38,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,447 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) [2019-11-28 02:59:38,464 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 02:59:38,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,477 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) [2019-11-28 02:59:38,494 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 02:59:38,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,500 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 02:59:38,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 02:59:38,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,515 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) [2019-11-28 02:59:38,531 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 Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,537 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 02:59:38,548 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 02:59:38,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,562 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 02:59:38,568 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 02:59:38,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,572 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,581 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 02:59:38,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,595 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 02:59:38,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,614 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,621 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 02:59:38,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,632 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 02:59:38,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,637 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,644 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 02:59:38,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:38,652 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,657 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 02:59:38,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,659 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,660 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,660 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,667 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 02:59:38,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,673 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,679 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 02:59:38,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:38,683 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,690 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 02:59:38,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:38,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,695 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 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 02:59:38,701 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 02:59:38,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,705 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:38,709 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,716 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 02:59:38,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,726 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 02:59:38,733 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 02:59:38,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,746 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,746 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,774 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 02:59:38,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,788 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) [2019-11-28 02:59:38,794 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 02:59:38,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,803 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:38,809 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 02:59:38,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,817 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) [2019-11-28 02:59:38,824 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 02:59:38,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:38,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,826 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 02:59:38,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,827 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 02:59:38,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,831 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) [2019-11-28 02:59:38,837 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 02:59:38,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:38,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:38,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:38,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:38,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:38,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:38,873 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:59:39,031 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-28 02:59:39,031 INFO L444 ModelExtractionUtils]: 44 out of 55 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:39,040 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:39,044 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 02:59:39,044 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:59:39,045 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strlen_~s.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc19.base)_1) = -1*ULTIMATE.start_strlen_~s.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc19.base)_1 Supporting invariants [] [2019-11-28 02:59:39,082 INFO L297 tatePredicateManager]: 8 out of 9 supporting invariants were superfluous and have been removed [2019-11-28 02:59:39,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-11-28 02:59:39,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:39,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 02:59:39,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:59:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:39,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 02:59:39,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:59:39,242 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 02:59:39,262 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2019-11-28 02:59:39,263 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states. Second operand 5 states. [2019-11-28 02:59:39,425 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states.. Second operand 5 states. Result 57 states and 84 transitions. Complement of second has 8 states. [2019-11-28 02:59:39,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 02:59:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 02:59:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 62 transitions. [2019-11-28 02:59:39,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 62 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 02:59:39,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:39,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 62 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-28 02:59:39,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:39,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 62 transitions. Stem has 6 letters. Loop has 6 letters. [2019-11-28 02:59:39,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:39,434 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 84 transitions. [2019-11-28 02:59:39,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2019-11-28 02:59:39,442 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 24 states and 27 transitions. [2019-11-28 02:59:39,443 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-28 02:59:39,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2019-11-28 02:59:39,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 27 transitions. [2019-11-28 02:59:39,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:59:39,445 INFO L688 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2019-11-28 02:59:39,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 27 transitions. [2019-11-28 02:59:39,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2019-11-28 02:59:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 02:59:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2019-11-28 02:59:39,475 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-28 02:59:39,475 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2019-11-28 02:59:39,475 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 02:59:39,475 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2019-11-28 02:59:39,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 02:59:39,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:39,477 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:39,478 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:59:39,478 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 02:59:39,478 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 187#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~malloc19.base, main_#t~malloc19.offset, main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~ret23.base, main_#t~ret23.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet18;havoc main_#t~nondet18; 181#L526 assume !(main_~in_len~0 < 1);call main_#t~malloc19.base, main_#t~malloc19.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc19.base, main_#t~malloc19.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 182#L530 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet21;havoc main_#t~nondet21; 188#L532 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_#t~mem9, strcat_#t~pre10.base, strcat_#t~pre10.offset, strcat_#t~pre11.base, strcat_#t~pre11.offset, strcat_#t~mem12, strcat_#t~pre13.base, strcat_#t~pre13.offset, strcat_#t~pre14.base, strcat_#t~pre14.offset, strcat_#t~mem15, strcat_#t~pre16.base, strcat_#t~pre16.offset, strcat_#t~pre17.base, strcat_#t~pre17.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 189#L508 assume strlen_~s.base == 0 && strlen_~s.offset == 0;strlen_#res := 0; 184#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5 % 4294967296;havoc strcat_#t~ret5; 185#L516-2 [2019-11-28 02:59:39,479 INFO L796 eck$LassoCheckResult]: Loop: 185#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 186#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset;call strcat_#t~mem9 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem9, strcat_~s.base, strcat_~s.offset, 1); 194#L518 assume !(0 == strcat_#t~mem9);havoc strcat_#t~mem9;strcat_#t~pre10.base, strcat_#t~pre10.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre10.base, strcat_#t~pre10.offset;strcat_#t~pre11.base, strcat_#t~pre11.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre11.base, strcat_#t~pre11.offset;call strcat_#t~mem12 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem12, strcat_~s.base, strcat_~s.offset, 1); 192#L519 assume !(0 == strcat_#t~mem12);havoc strcat_#t~mem12;strcat_#t~pre13.base, strcat_#t~pre13.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre13.base, strcat_#t~pre13.offset;strcat_#t~pre14.base, strcat_#t~pre14.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre14.base, strcat_#t~pre14.offset;call strcat_#t~mem15 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem15, strcat_~s.base, strcat_~s.offset, 1); 191#L520 assume !(0 == strcat_#t~mem15);havoc strcat_#t~mem15;strcat_#t~pre16.base, strcat_#t~pre16.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre16.base, strcat_#t~pre16.offset;strcat_#t~pre17.base, strcat_#t~pre17.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre17.base, strcat_#t~pre17.offset; 185#L516-2 [2019-11-28 02:59:39,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:39,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1806907772, now seen corresponding path program 1 times [2019-11-28 02:59:39,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:39,480 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578648982] [2019-11-28 02:59:39,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:39,568 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 02:59:39,569 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578648982] [2019-11-28 02:59:39,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:59:39,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 02:59:39,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869630478] [2019-11-28 02:59:39,575 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 02:59:39,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:39,576 INFO L82 PathProgramCache]: Analyzing trace with hash 73640536, now seen corresponding path program 1 times [2019-11-28 02:59:39,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:39,576 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539101512] [2019-11-28 02:59:39,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:39,699 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:40,346 WARN L192 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 104 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 02:59:40,479 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-11-28 02:59:40,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:59:40,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:59:40,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:59:40,485 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 02:59:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:59:40,513 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2019-11-28 02:59:40,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:59:40,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 20 transitions. [2019-11-28 02:59:40,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 02:59:40,516 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 20 transitions. [2019-11-28 02:59:40,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2019-11-28 02:59:40,517 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2019-11-28 02:59:40,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2019-11-28 02:59:40,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:59:40,517 INFO L688 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-11-28 02:59:40,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2019-11-28 02:59:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-28 02:59:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-28 02:59:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2019-11-28 02:59:40,520 INFO L711 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-11-28 02:59:40,520 INFO L591 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2019-11-28 02:59:40,520 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 02:59:40,520 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2019-11-28 02:59:40,521 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 02:59:40,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:40,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:40,522 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 02:59:40,522 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-28 02:59:40,523 INFO L794 eck$LassoCheckResult]: Stem: 235#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 232#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~malloc19.base, main_#t~malloc19.offset, main_#t~nondet20, main_#t~nondet21, main_#t~malloc22.base, main_#t~malloc22.offset, main_#t~ret23.base, main_#t~ret23.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out_end~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet18;havoc main_#t~nondet18; 226#L526 assume !(main_~in_len~0 < 1);call main_#t~malloc19.base, main_#t~malloc19.offset := #Ultimate.allocOnStack(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc19.base, main_#t~malloc19.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet20;havoc main_#t~nondet20; 227#L530 assume !(main_~out_len~0 < 1);main_~out_end~0 := main_#t~nondet21;havoc main_#t~nondet21; 233#L532 assume !(main_~out_len~0 < main_~out_end~0 + main_~in_len~0);call main_#t~malloc22.base, main_#t~malloc22.offset := #Ultimate.allocOnStack(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc22.base, main_#t~malloc22.offset;call write~int(0, main_~out~0.base, main_~out~0.offset + main_~out_end~0, 1);strcat_#in~s.base, strcat_#in~s.offset, strcat_#in~t.base, strcat_#in~t.offset := main_~in~0.base, main_~in~0.offset, main_~out~0.base, main_~out~0.offset;havoc strcat_#res.base, strcat_#res.offset;havoc strcat_#t~ret5, strcat_#t~mem6, strcat_#t~pre7.base, strcat_#t~pre7.offset, strcat_#t~pre8.base, strcat_#t~pre8.offset, strcat_#t~mem9, strcat_#t~pre10.base, strcat_#t~pre10.offset, strcat_#t~pre11.base, strcat_#t~pre11.offset, strcat_#t~mem12, strcat_#t~pre13.base, strcat_#t~pre13.offset, strcat_#t~pre14.base, strcat_#t~pre14.offset, strcat_#t~mem15, strcat_#t~pre16.base, strcat_#t~pre16.offset, strcat_#t~pre17.base, strcat_#t~pre17.offset, strcat_~s.base, strcat_~s.offset, strcat_~t.base, strcat_~t.offset, strcat_~dest~0.base, strcat_~dest~0.offset;strcat_~s.base, strcat_~s.offset := strcat_#in~s.base, strcat_#in~s.offset;strcat_~t.base, strcat_~t.offset := strcat_#in~t.base, strcat_#in~t.offset;strcat_~dest~0.base, strcat_~dest~0.offset := strcat_~s.base, strcat_~s.offset;strlen_#in~s.base, strlen_#in~s.offset := strcat_~s.base, strcat_~s.offset;havoc strlen_#res;havoc strlen_#t~pre3, strlen_#t~pre2.base, strlen_#t~pre2.offset, strlen_#t~mem4, strlen_~s.base, strlen_~s.offset, strlen_~i~0;strlen_~s.base, strlen_~s.offset := strlen_#in~s.base, strlen_#in~s.offset;havoc strlen_~i~0; 234#L508 assume !(strlen_~s.base == 0 && strlen_~s.offset == 0);strlen_~i~0 := 0; 222#L509-4 call strlen_#t~mem4 := read~int(strlen_~s.base, strlen_~s.offset, 1); 224#L509-1 assume !(0 != strlen_#t~mem4);havoc strlen_#t~mem4; 228#L509-5 strlen_#res := strlen_~i~0; 229#L510 strcat_#t~ret5 := strlen_#res;strcat_~s.base, strcat_~s.offset := strcat_~s.base, strcat_~s.offset + strcat_#t~ret5 % 4294967296;havoc strcat_#t~ret5; 230#L516-2 [2019-11-28 02:59:40,523 INFO L796 eck$LassoCheckResult]: Loop: 230#L516-2 assume !false;call strcat_#t~mem6 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem6, strcat_~s.base, strcat_~s.offset, 1); 231#L517 assume !(0 == strcat_#t~mem6);havoc strcat_#t~mem6;strcat_#t~pre7.base, strcat_#t~pre7.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre7.base, strcat_#t~pre7.offset;strcat_#t~pre8.base, strcat_#t~pre8.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre8.base, strcat_#t~pre8.offset;call strcat_#t~mem9 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem9, strcat_~s.base, strcat_~s.offset, 1); 239#L518 assume !(0 == strcat_#t~mem9);havoc strcat_#t~mem9;strcat_#t~pre10.base, strcat_#t~pre10.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre10.base, strcat_#t~pre10.offset;strcat_#t~pre11.base, strcat_#t~pre11.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre11.base, strcat_#t~pre11.offset;call strcat_#t~mem12 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem12, strcat_~s.base, strcat_~s.offset, 1); 237#L519 assume !(0 == strcat_#t~mem12);havoc strcat_#t~mem12;strcat_#t~pre13.base, strcat_#t~pre13.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre13.base, strcat_#t~pre13.offset;strcat_#t~pre14.base, strcat_#t~pre14.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre14.base, strcat_#t~pre14.offset;call strcat_#t~mem15 := read~int(strcat_~t.base, strcat_~t.offset, 1);call write~int(strcat_#t~mem15, strcat_~s.base, strcat_~s.offset, 1); 236#L520 assume !(0 == strcat_#t~mem15);havoc strcat_#t~mem15;strcat_#t~pre16.base, strcat_#t~pre16.offset := strcat_~s.base, 1 + strcat_~s.offset;strcat_~s.base, strcat_~s.offset := strcat_~s.base, 1 + strcat_~s.offset;havoc strcat_#t~pre16.base, strcat_#t~pre16.offset;strcat_#t~pre17.base, strcat_#t~pre17.offset := strcat_~t.base, 1 + strcat_~t.offset;strcat_~t.base, strcat_~t.offset := strcat_~t.base, 1 + strcat_~t.offset;havoc strcat_#t~pre17.base, strcat_#t~pre17.offset; 230#L516-2 [2019-11-28 02:59:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:40,523 INFO L82 PathProgramCache]: Analyzing trace with hash 765803698, now seen corresponding path program 1 times [2019-11-28 02:59:40,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:40,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454582675] [2019-11-28 02:59:40,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:40,571 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:40,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:40,572 INFO L82 PathProgramCache]: Analyzing trace with hash 73640536, now seen corresponding path program 2 times [2019-11-28 02:59:40,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:40,573 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881147648] [2019-11-28 02:59:40,573 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:40,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:40,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:40,638 INFO L82 PathProgramCache]: Analyzing trace with hash 648918087, now seen corresponding path program 1 times [2019-11-28 02:59:40,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:40,639 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401743348] [2019-11-28 02:59:40,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:40,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:41,385 WARN L192 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 104 [2019-11-28 02:59:41,974 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 119 [2019-11-28 02:59:42,163 WARN L192 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-28 02:59:42,166 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:42,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:42,166 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:42,166 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:42,166 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:59:42,166 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:42,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:42,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:42,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcat.i_Iteration3_Lasso [2019-11-28 02:59:42,167 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:42,167 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:42,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:42,184 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 02:59:42,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 02:59:42,193 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 02:59:42,194 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 02:59:42,196 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 02:59:42,199 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 02:59:42,202 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 02:59:42,207 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 02:59:42,962 WARN L192 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2019-11-28 02:59:42,995 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: MapEliminator tries to combine Int and (Array Int Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceSelectStoreTerm(MapEliminator.java:592) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.replaceStoreTerms(MapEliminator.java:542) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.getRewrittenTransFormula(MapEliminator.java:330) at de.uni_freiburg.informatik.ultimate.lassoranker.preprocessors.MapEliminationLassoPreprocessor.process(MapEliminationLassoPreprocessor.java:111) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.applyPreprocessor(LassoBuilder.java:154) at de.uni_freiburg.informatik.ultimate.lassoranker.variables.LassoBuilder.preprocess(LassoBuilder.java:262) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.preprocess(LassoAnalysis.java:278) at de.uni_freiburg.informatik.ultimate.lassoranker.LassoAnalysis.(LassoAnalysis.java:229) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:612) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.access$16(LassoCheck.java:539) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:957) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:865) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-28 02:59:43,000 INFO L168 Benchmark]: Toolchain (without parser) took 8533.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.2 MB). Free memory was 957.7 MB in the beginning and 993.1 MB in the end (delta: -35.4 MB). Peak memory consumption was 303.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:43,001 INFO L168 Benchmark]: CDTParser took 0.29 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 02:59:43,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:43,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.86 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 02:59:43,003 INFO L168 Benchmark]: Boogie Preprocessor took 37.49 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:43,003 INFO L168 Benchmark]: RCFGBuilder took 503.58 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:43,004 INFO L168 Benchmark]: BuchiAutomizer took 7329.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 104.5 MB). Peak memory consumption was 295.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:43,008 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 606.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -173.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.86 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 37.49 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.58 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7329.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 191.4 MB). Free memory was 1.1 GB in the beginning and 993.1 MB in the end (delta: 104.5 MB). Peak memory consumption was 295.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: MapEliminator tries to combine Int and (Array Int Int) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: MapEliminator tries to combine Int and (Array Int Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.indexEqualityInequalityImpliesValueEquality(MapEliminator.java:850) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...