./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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-recursive-malloc/rec_malloc_ex11.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 2e31c843d33c80f978b3ed5615692b93565f0ae0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:56:54,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:56:54,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:56:54,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:56:54,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:56:54,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:56:54,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:56:54,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:56:54,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:56:54,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:56:54,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:56:54,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:56:54,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:56:54,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:56:54,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:56:54,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:56:54,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:56:54,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:56:54,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:56:54,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:56:54,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:56:54,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:56:54,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:56:54,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:56:54,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:56:54,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:56:54,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:56:54,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:56:54,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:56:54,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:56:54,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:56:54,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:56:54,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:56:54,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:56:54,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:56:54,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:56:54,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:56:54,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:56:54,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:56:54,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:56:54,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:56:54,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-19 19:56:54,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:56:54,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:56:54,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:56:54,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:56:54,172 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:56:54,172 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 19:56:54,173 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 19:56:54,173 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 19:56:54,173 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 19:56:54,173 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 19:56:54,174 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 19:56:54,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:56:54,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:56:54,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:56:54,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:56:54,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 19:56:54,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 19:56:54,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 19:56:54,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:56:54,176 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 19:56:54,177 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:56:54,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 19:56:54,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:56:54,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:56:54,178 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 19:56:54,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:56:54,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:56:54,179 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 19:56:54,180 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 19:56:54,180 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 -> 2e31c843d33c80f978b3ed5615692b93565f0ae0 [2019-11-19 19:56:54,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:56:54,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:56:54,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:56:54,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:56:54,541 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:56:54,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2019-11-19 19:56:54,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a93c8631/36563af60b1a407b880a10acfdbfefe8/FLAGb531c9b43 [2019-11-19 19:56:55,053 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:56:55,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11.i [2019-11-19 19:56:55,061 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a93c8631/36563af60b1a407b880a10acfdbfefe8/FLAGb531c9b43 [2019-11-19 19:56:55,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a93c8631/36563af60b1a407b880a10acfdbfefe8 [2019-11-19 19:56:55,442 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:56:55,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:56:55,445 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:55,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:56:55,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:56:55,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22907469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55, skipping insertion in model container [2019-11-19 19:56:55,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,459 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:56:55,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:56:55,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:55,663 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:56:55,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:56:55,694 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:56:55,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55 WrapperNode [2019-11-19 19:56:55,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:56:55,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:55,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:56:55,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:56:55,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:56:55,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:56:55,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:56:55,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:56:55,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... [2019-11-19 19:56:55,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:56:55,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:56:55,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:56:55,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:56:55,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:55,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 19:56:55,873 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2019-11-19 19:56:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2019-11-19 19:56:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 19:56:55,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:56:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:56:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 19:56:55,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 19:56:56,155 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:56:56,155 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 19:56:56,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:56 BoogieIcfgContainer [2019-11-19 19:56:56,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:56:56,166 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 19:56:56,166 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 19:56:56,175 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 19:56:56,178 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:56,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:56:55" (1/3) ... [2019-11-19 19:56:56,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66bf964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:56, skipping insertion in model container [2019-11-19 19:56:56,185 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:56,185 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:55" (2/3) ... [2019-11-19 19:56:56,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66bf964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:56:56, skipping insertion in model container [2019-11-19 19:56:56,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 19:56:56,186 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:56" (3/3) ... [2019-11-19 19:56:56,192 INFO L371 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11.i [2019-11-19 19:56:56,268 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 19:56:56,268 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 19:56:56,268 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 19:56:56,269 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:56:56,269 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:56:56,269 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 19:56:56,269 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:56:56,269 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 19:56:56,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 19:56:56,305 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 19:56:56,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:56,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:56,312 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 19:56:56,312 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:56:56,312 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 19:56:56,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states. [2019-11-19 19:56:56,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 19:56:56,315 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:56,315 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:56,315 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 19:56:56,315 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:56:56,322 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 5#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 19#L28-3true [2019-11-19 19:56:56,323 INFO L796 eck$LassoCheckResult]: Loop: 19#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 4#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 9#L32true assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 20#L36true call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 3#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 6#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 14#recFINALtrue assume true; 12#recEXITtrue >#44#return; 18#L36-1true assume -1 == main_#t~ret12;main_#t~ite13 := -1; 11#L36-3true call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~mem14;havoc main_#t~ret12; 19#L28-3true [2019-11-19 19:56:56,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:56,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2019-11-19 19:56:56,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:56,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813721408] [2019-11-19 19:56:56,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:56,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:56,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:56,472 INFO L82 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2019-11-19 19:56:56,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:56,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776650427] [2019-11-19 19:56:56,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:56,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:56:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:56:56,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776650427] [2019-11-19 19:56:56,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 19:56:56,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-19 19:56:56,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958827107] [2019-11-19 19:56:56,773 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 19:56:56,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:56:56,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 19:56:56,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-19 19:56:56,793 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-11-19 19:56:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:56:56,930 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2019-11-19 19:56:56,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 19:56:56,934 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2019-11-19 19:56:56,938 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 19:56:56,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2019-11-19 19:56:56,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2019-11-19 19:56:56,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2019-11-19 19:56:56,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2019-11-19 19:56:56,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:56:56,953 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 19:56:56,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2019-11-19 19:56:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 19:56:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 19:56:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2019-11-19 19:56:56,990 INFO L711 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 19:56:56,990 INFO L591 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2019-11-19 19:56:56,990 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 19:56:56,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2019-11-19 19:56:56,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2019-11-19 19:56:56,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:56:56,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:56:56,997 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 19:56:56,998 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:56:56,998 INFO L794 eck$LassoCheckResult]: Stem: 66#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 63#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 64#L28-3 [2019-11-19 19:56:56,999 INFO L796 eck$LassoCheckResult]: Loop: 64#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 61#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 62#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 59#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 57#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 60#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 58#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 57#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 60#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 65#recFINAL assume true; 70#recEXIT >#42#return; 67#L19-1 #res := #t~ret5;havoc #t~ret5; 68#recFINAL assume true; 72#recEXIT >#44#return; 71#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 69#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~mem14;havoc main_#t~ret12; 64#L28-3 [2019-11-19 19:56:56,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:56,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2019-11-19 19:56:57,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:57,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166866034] [2019-11-19 19:56:57,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:57,020 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:57,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:57,021 INFO L82 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2019-11-19 19:56:57,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:57,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801334599] [2019-11-19 19:56:57,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:57,194 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:56:57,198 INFO L82 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2019-11-19 19:56:57,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:56:57,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14681313] [2019-11-19 19:56:57,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:56:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:56:57,349 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:56:57,929 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 92 [2019-11-19 19:56:58,189 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-11-19 19:56:58,305 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-19 19:56:58,931 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2019-11-19 19:56:59,076 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-11-19 19:56:59,215 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:56:59,216 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:56:59,217 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:56:59,217 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:56:59,217 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:56:59,217 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:56:59,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:56:59,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:56:59,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration2_Lasso [2019-11-19 19:56:59,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:56:59,218 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:56:59,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,589 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 66 [2019-11-19 19:56:59,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:56:59,979 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-19 19:57:00,072 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:00,077 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 [2019-11-19 19:57:00,083 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 [2019-11-19 19:57:00,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,088 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:00,091 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-19 19:57:00,098 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 [2019-11-19 19:57:00,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:00,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,118 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 [2019-11-19 19:57:00,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,121 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,121 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:00,123 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 [2019-11-19 19:57:00,132 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 [2019-11-19 19:57:00,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:00,139 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:00,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,163 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 [2019-11-19 19:57:00,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:00,169 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) [2019-11-19 19:57:00,184 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 [2019-11-19 19:57:00,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:00,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,201 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) [2019-11-19 19:57:00,209 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 [2019-11-19 19:57:00,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:00,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:00,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,214 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:00,226 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 [2019-11-19 19:57:00,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:00,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:00,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:00,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:00,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:00,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,238 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:00,256 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-19 19:57:00,256 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:00,322 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:00,343 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:57:00,343 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:00,344 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2019-11-19 19:57:00,402 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-19 19:57:00,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 19:57:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:00,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 19:57:00,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:00,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-19 19:57:00,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:00,552 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:00,552 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2019-11-19 19:57:00,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:00,563 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:00,573 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-11-19 19:57:00,574 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:00,581 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:00,582 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:00,582 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:36, output treesize:15 [2019-11-19 19:57:00,600 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2019-11-19 19:57:00,601 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:00,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:00,606 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:00,606 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:7 [2019-11-19 19:57:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 19:57:00,658 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-19 19:57:00,659 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 7 states. [2019-11-19 19:57:00,810 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 7 states. Result 62 states and 73 transitions. Complement of second has 17 states. [2019-11-19 19:57:00,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-19 19:57:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2019-11-19 19:57:00,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2019-11-19 19:57:00,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:00,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-19 19:57:00,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:00,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2019-11-19 19:57:00,820 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:00,820 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2019-11-19 19:57:00,824 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 19:57:00,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2019-11-19 19:57:00,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2019-11-19 19:57:00,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2019-11-19 19:57:00,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2019-11-19 19:57:00,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:57:00,829 INFO L688 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2019-11-19 19:57:00,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2019-11-19 19:57:00,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2019-11-19 19:57:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-19 19:57:00,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2019-11-19 19:57:00,837 INFO L711 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-11-19 19:57:00,837 INFO L591 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2019-11-19 19:57:00,838 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 19:57:00,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2019-11-19 19:57:00,840 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 19:57:00,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:00,840 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:00,841 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:00,841 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:57:00,841 INFO L794 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 255#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 256#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 251#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 252#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 262#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 280#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 291#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 246#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 244#recENTRY [2019-11-19 19:57:00,841 INFO L796 eck$LassoCheckResult]: Loop: 244#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 247#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 245#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 244#recENTRY [2019-11-19 19:57:00,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:00,842 INFO L82 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2019-11-19 19:57:00,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:00,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979469437] [2019-11-19 19:57:00,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:00,892 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:00,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:00,893 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2019-11-19 19:57:00,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:00,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136089820] [2019-11-19 19:57:00,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:00,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:00,921 INFO L82 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2019-11-19 19:57:00,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:00,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762631165] [2019-11-19 19:57:00,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:01,026 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:01,156 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-19 19:57:01,470 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2019-11-19 19:57:01,935 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 91 [2019-11-19 19:57:02,563 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2019-11-19 19:57:02,699 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-19 19:57:02,704 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:57:02,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:57:02,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:57:02,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:57:02,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:57:02,705 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:02,705 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:57:02,705 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:57:02,705 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration3_Lasso [2019-11-19 19:57:02,705 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:57:02,705 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:57:02,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:02,925 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2019-11-19 19:57:03,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:03,479 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-11-19 19:57:03,609 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:03,609 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,616 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 [2019-11-19 19:57:03,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,619 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,620 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,627 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 [2019-11-19 19:57:03,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,643 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 [2019-11-19 19:57:03,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,665 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 [2019-11-19 19:57:03,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,675 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 [2019-11-19 19:57:03,682 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 [2019-11-19 19:57:03,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,685 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:03,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,695 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 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 [2019-11-19 19:57:03,701 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 [2019-11-19 19:57:03,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2019-11-19 19:57:03,711 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 [2019-11-19 19:57:03,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,715 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,735 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 [2019-11-19 19:57:03,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,743 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 [2019-11-19 19:57:03,751 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 [2019-11-19 19:57:03,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:03,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:03,759 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,775 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 [2019-11-19 19:57:03,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:03,781 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) [2019-11-19 19:57:03,788 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 [2019-11-19 19:57:03,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,791 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,791 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 [2019-11-19 19:57:03,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:03,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,802 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 [2019-11-19 19:57:03,803 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,810 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 [2019-11-19 19:57:03,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:03,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:03,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,828 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 [2019-11-19 19:57:03,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:03,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:03,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,861 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:03,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:03,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:03,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,878 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2019-11-19 19:57:03,878 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:57:03,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,902 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2019-11-19 19:57:03,902 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 19:57:03,934 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) [2019-11-19 19:57:03,942 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 [2019-11-19 19:57:03,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:03,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:03,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:03,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:03,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:03,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:03,975 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:04,016 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2019-11-19 19:57:04,017 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:04,022 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:04,025 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2019-11-19 19:57:04,026 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:04,026 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int) rec_#in~op.base) 0)_1) = 2*v_rep(select (select old(#memory_int) rec_#in~op.base) 0)_1 + 3 Supporting invariants [1*v_rep(select (select old(#memory_int) rec_#in~op.base) 0)_1 + 1 >= 0, -1*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1*v_rep(select (select old(#memory_int) rec_#in~op.base) 0)_1 >= 0] [2019-11-19 19:57:04,051 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2019-11-19 19:57:04,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 19:57:04,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-19 19:57:04,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-19 19:57:04,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:04,203 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2019-11-19 19:57:04,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,212 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:04,212 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,212 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-11-19 19:57:04,265 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:04,265 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 53 [2019-11-19 19:57:04,267 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,299 INFO L567 ElimStorePlain]: treesize reduction 20, result has 70.1 percent of original size [2019-11-19 19:57:04,300 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,300 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:26 [2019-11-19 19:57:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:57:04,325 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-19 19:57:04,326 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand 5 states. [2019-11-19 19:57:04,459 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand 5 states. Result 99 states and 122 transitions. Complement of second has 18 states. [2019-11-19 19:57:04,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:04,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 19:57:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2019-11-19 19:57:04,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2019-11-19 19:57:04,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:04,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2019-11-19 19:57:04,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:04,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2019-11-19 19:57:04,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:04,462 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2019-11-19 19:57:04,471 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 19:57:04,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2019-11-19 19:57:04,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2019-11-19 19:57:04,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2019-11-19 19:57:04,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2019-11-19 19:57:04,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:57:04,479 INFO L688 BuchiCegarLoop]: Abstraction has 87 states and 110 transitions. [2019-11-19 19:57:04,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2019-11-19 19:57:04,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2019-11-19 19:57:04,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-11-19 19:57:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2019-11-19 19:57:04,503 INFO L711 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-11-19 19:57:04,503 INFO L591 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2019-11-19 19:57:04,503 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 19:57:04,503 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2019-11-19 19:57:04,509 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2019-11-19 19:57:04,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:04,509 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:04,510 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:04,510 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:04,511 INFO L794 eck$LassoCheckResult]: Stem: 513#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 505#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 506#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 531#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 567#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 542#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 565#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 564#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 492#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 491#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 494#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 503#recFINAL assume true; 526#recEXIT >#42#return; 551#L19-1 #res := #t~ret5;havoc #t~ret5; 550#recFINAL assume true; 541#recEXIT >#44#return; 529#L36-1 assume !(-1 == main_#t~ret12);main_#t~ite13 := 1; 520#L36-3 [2019-11-19 19:57:04,514 INFO L796 eck$LassoCheckResult]: Loop: 520#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~mem14;havoc main_#t~ret12; 521#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 552#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 547#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 533#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 534#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 557#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 545#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 534#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 557#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 558#recFINAL assume true; 556#recEXIT >#42#return; 546#L19-1 #res := #t~ret5;havoc #t~ret5; 554#recFINAL assume true; 544#recEXIT >#44#return; 540#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 520#L36-3 [2019-11-19 19:57:04,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,515 INFO L82 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2019-11-19 19:57:04,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:04,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765354014] [2019-11-19 19:57:04,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 19:57:04,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765354014] [2019-11-19 19:57:04,740 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521115809] [2019-11-19 19:57:04,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 19:57:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:04,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 26 conjunts are in the unsatisfiable core [2019-11-19 19:57:04,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:04,843 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:04,843 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 46 [2019-11-19 19:57:04,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,871 INFO L567 ElimStorePlain]: treesize reduction 20, result has 60.8 percent of original size [2019-11-19 19:57:04,872 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,873 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:25, output treesize:9 [2019-11-19 19:57:04,946 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2019-11-19 19:57:04,946 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,954 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:04,954 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:04,955 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:26, output treesize:11 [2019-11-19 19:57:04,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:57:04,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 19:57:04,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2019-11-19 19:57:04,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954798091] [2019-11-19 19:57:04,962 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 19:57:04,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:04,962 INFO L82 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2019-11-19 19:57:04,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:04,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140208225] [2019-11-19 19:57:04,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:04,996 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:05,415 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-11-19 19:57:05,589 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-19 19:57:06,183 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 129 [2019-11-19 19:57:06,329 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-11-19 19:57:06,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 19:57:06,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-19 19:57:06,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2019-11-19 19:57:06,331 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand 14 states. [2019-11-19 19:57:06,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 19:57:06,474 INFO L93 Difference]: Finished difference Result 85 states and 110 transitions. [2019-11-19 19:57:06,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 19:57:06,475 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 110 transitions. [2019-11-19 19:57:06,481 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:06,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 54 states and 67 transitions. [2019-11-19 19:57:06,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-19 19:57:06,483 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 19:57:06,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 67 transitions. [2019-11-19 19:57:06,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 19:57:06,483 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 67 transitions. [2019-11-19 19:57:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 67 transitions. [2019-11-19 19:57:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2019-11-19 19:57:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-11-19 19:57:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2019-11-19 19:57:06,489 INFO L711 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-11-19 19:57:06,489 INFO L591 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2019-11-19 19:57:06,489 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 19:57:06,490 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2019-11-19 19:57:06,490 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-19 19:57:06,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 19:57:06,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 19:57:06,491 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 19:57:06,491 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-19 19:57:06,492 INFO L794 eck$LassoCheckResult]: Stem: 761#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 756#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem11, main_#t~mem14, main_#t~ret12, main_#t~ite13, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 757#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 754#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 755#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 762#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 786#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 784#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 759#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 781#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 758#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 760#recFINAL assume true; 777#recEXIT >#42#return; 776#L19-1 #res := #t~ret5;havoc #t~ret5; 775#recFINAL assume true; 774#recEXIT >#44#return; 770#L36-1 assume -1 == main_#t~ret12;main_#t~ite13 := -1; 766#L36-3 call write~int(main_#t~mem14 + main_#t~ite13, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~ite13;havoc main_#t~mem14;havoc main_#t~ret12; 767#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 752#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~pp~0.base, main_~pp~0.offset, 4); 753#L32 assume !(main_#t~mem11 < 0);havoc main_#t~mem11;call main_#t~mem14 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 745#L36 call main_#t~ret12 := rec(main_~pp~0.base, main_~pp~0.offset);< 744#recENTRY [2019-11-19 19:57:06,492 INFO L796 eck$LassoCheckResult]: Loop: 744#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 746#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 747#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 744#recENTRY [2019-11-19 19:57:06,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,492 INFO L82 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2019-11-19 19:57:06,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013687472] [2019-11-19 19:57:06,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,534 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:06,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,534 INFO L82 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2019-11-19 19:57:06,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,535 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898508917] [2019-11-19 19:57:06,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,545 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:06,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:06,546 INFO L82 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2019-11-19 19:57:06,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 19:57:06,547 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712899021] [2019-11-19 19:57:06,547 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 19:57:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 19:57:06,596 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 19:57:06,727 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-11-19 19:57:07,299 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-11-19 19:57:08,976 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 230 DAG size of output: 191 [2019-11-19 19:57:09,370 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-11-19 19:57:09,710 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-19 19:57:09,976 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-11-19 19:57:09,979 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 19:57:09,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 19:57:09,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 19:57:09,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 19:57:09,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 19:57:09,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:09,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 19:57:09,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 19:57:09,980 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11.i_Iteration5_Lasso [2019-11-19 19:57:09,980 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 19:57:09,980 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 19:57:09,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:09,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,222 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-11-19 19:57:10,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:10,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 19:57:11,136 WARN L191 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-11-19 19:57:11,210 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 19:57:11,210 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-19 19:57:11,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,222 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,229 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 [2019-11-19 19:57:11,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,234 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,242 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 [2019-11-19 19:57:11,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,254 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 [2019-11-19 19:57:11,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,257 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,263 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 [2019-11-19 19:57:11,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,271 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,278 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 [2019-11-19 19:57:11,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,287 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 [2019-11-19 19:57:11,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,293 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,312 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 [2019-11-19 19:57:11,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,315 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:11,330 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 [2019-11-19 19:57:11,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:11,340 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 [2019-11-19 19:57:11,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,355 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 [2019-11-19 19:57:11,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,369 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 [2019-11-19 19:57:11,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,372 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,378 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 [2019-11-19 19:57:11,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,381 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,387 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 [2019-11-19 19:57:11,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,390 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 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,395 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 [2019-11-19 19:57:11,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:11,416 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 [2019-11-19 19:57:11,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,421 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,427 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 [2019-11-19 19:57:11,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 19:57:11,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,439 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,443 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 [2019-11-19 19:57:11,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,447 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 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,453 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 [2019-11-19 19:57:11,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 19:57:11,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 19:57:11,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 19:57:11,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,462 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 [2019-11-19 19:57:11,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,466 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,466 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,471 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:11,482 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 [2019-11-19 19:57:11,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:11,498 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 [2019-11-19 19:57:11,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,512 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 [2019-11-19 19:57:11,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,517 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,522 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 [2019-11-19 19:57:11,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 19:57:11,550 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 [2019-11-19 19:57:11,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,552 INFO L203 nArgumentSynthesizer]: 16 stem disjuncts [2019-11-19 19:57:11,552 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 19:57:11,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,585 INFO L401 nArgumentSynthesizer]: We have 76 Motzkin's Theorem applications. [2019-11-19 19:57:11,585 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 19:57:11,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,638 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 [2019-11-19 19:57:11,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,640 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,640 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,643 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,650 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 [2019-11-19 19:57:11,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 19:57:11,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 19:57:11,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 19:57:11,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 19:57:11,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 19:57:11,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 19:57:11,670 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 19:57:11,701 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-11-19 19:57:11,701 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 19:57:11,707 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 19:57:11,709 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 19:57:11,710 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 19:57:11,710 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_2 + 1 Supporting invariants [] [2019-11-19 19:57:11,718 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2019-11-19 19:57:11,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-19 19:57:11,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:11,816 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 19:57:11,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:11,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:57:11,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:11,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-19 19:57:11,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:11,922 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:11,923 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 45 [2019-11-19 19:57:11,924 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:11,952 INFO L567 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2019-11-19 19:57:11,953 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:11,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2019-11-19 19:57:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:57:11,971 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-11-19 19:57:11,971 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 6 states. [2019-11-19 19:57:12,094 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 55 states and 65 transitions. Complement of second has 15 states. [2019-11-19 19:57:12,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 19:57:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2019-11-19 19:57:12,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-19 19:57:12,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:12,097 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 19:57:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:12,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 19:57:12,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:12,185 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:57:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:12,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-19 19:57:12,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:12,255 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:12,255 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 45 [2019-11-19 19:57:12,256 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:12,280 INFO L567 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2019-11-19 19:57:12,281 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:12,281 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2019-11-19 19:57:12,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:57:12,303 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2019-11-19 19:57:12,303 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 6 states. [2019-11-19 19:57:12,432 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 55 states and 65 transitions. Complement of second has 15 states. [2019-11-19 19:57:12,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:12,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 19:57:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2019-11-19 19:57:12,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-19 19:57:12,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:12,434 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-19 19:57:12,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 19:57:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:12,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-19 19:57:12,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:12,520 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 19:57:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 19:57:12,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2019-11-19 19:57:12,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 19:57:12,585 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 19:57:12,586 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 45 [2019-11-19 19:57:12,587 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 19:57:12,612 INFO L567 ElimStorePlain]: treesize reduction 16, result has 71.9 percent of original size [2019-11-19 19:57:12,613 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 19:57:12,613 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:24 [2019-11-19 19:57:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 19:57:12,629 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2019-11-19 19:57:12,630 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand 6 states. [2019-11-19 19:57:12,773 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand 6 states. Result 68 states and 78 transitions. Complement of second has 16 states. [2019-11-19 19:57:12,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-19 19:57:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-11-19 19:57:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2019-11-19 19:57:12,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 22 letters. Loop has 3 letters. [2019-11-19 19:57:12,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:12,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 25 letters. Loop has 3 letters. [2019-11-19 19:57:12,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:12,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 22 letters. Loop has 6 letters. [2019-11-19 19:57:12,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 19:57:12,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2019-11-19 19:57:12,780 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:57:12,780 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2019-11-19 19:57:12,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 19:57:12,781 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 19:57:12,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 19:57:12,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 19:57:12,781 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:57:12,781 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:57:12,781 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 19:57:12,781 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 19:57:12,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 19:57:12,781 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 19:57:12,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 19:57:12,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:57:12 BoogieIcfgContainer [2019-11-19 19:57:12,788 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 19:57:12,789 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:57:12,789 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:57:12,789 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:57:12,789 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:56" (3/4) ... [2019-11-19 19:57:12,792 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 19:57:12,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:57:12,793 INFO L168 Benchmark]: Toolchain (without parser) took 17350.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 373.3 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -250.7 MB). Peak memory consumption was 122.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:12,793 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:57:12,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.79 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:12,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:12,795 INFO L168 Benchmark]: Boogie Preprocessor took 24.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:12,795 INFO L168 Benchmark]: RCFGBuilder took 357.87 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:12,796 INFO L168 Benchmark]: BuchiAutomizer took 16622.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 251.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -110.8 MB). Peak memory consumption was 140.3 MB. Max. memory is 11.5 GB. [2019-11-19 19:57:12,796 INFO L168 Benchmark]: Witness Printer took 3.42 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:57:12,799 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.79 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -177.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 357.87 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 16622.23 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 251.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -110.8 MB). Peak memory consumption was 140.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.42 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 2 * \old(unknown-#memory_int-unknown)[op][0] + 3 and consists of 6 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 7 locations. 2 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.5s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 14.1s. Construction of modules took 0.3s. Büchi inclusion checks took 1.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 84 SDtfs, 59 SDslu, 167 SDs, 0 SdLazy, 244 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital385 mio100 ax100 hnf100 lsp98 ukn41 mio100 lsp29 div100 bol100 ite100 ukn100 eq197 hnf88 smp100 dnf386 smp88 tf100 neg86 sie151 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 90ms VariablesStem: 5 VariablesLoop: 2 DisjunctsStem: 16 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 76 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...