./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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/ldv-memsafety/memleaks_test18_2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09bd2b4d877b02d6e4448e44897944243667e3ce ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:33:40,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:33:40,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:33:40,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:33:40,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:33:40,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:33:40,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:33:40,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:33:40,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:33:40,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:33:40,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:33:40,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:33:40,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:33:40,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:33:40,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:33:40,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:33:40,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:33:40,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:33:40,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:33:40,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:33:40,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:33:40,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:33:40,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:33:40,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:33:40,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:33:40,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:33:40,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:33:40,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:33:40,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:33:40,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:33:40,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:33:40,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:33:40,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:33:40,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:33:40,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:33:40,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:33:40,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:33:40,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:33:40,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:33:40,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:33:40,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:33:40,110 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:33:40,151 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:33:40,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:33:40,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:33:40,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:33:40,155 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:33:40,155 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:33:40,156 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:33:40,156 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:33:40,156 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:33:40,156 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:33:40,156 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:33:40,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:33:40,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:33:40,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:33:40,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:33:40,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:33:40,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:33:40,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:33:40,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:33:40,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:33:40,159 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:33:40,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:33:40,161 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:33:40,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:33:40,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:33:40,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:33:40,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:33:40,162 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:33:40,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:33:40,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:33:40,163 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:33:40,165 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:33:40,165 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09bd2b4d877b02d6e4448e44897944243667e3ce [2019-11-19 22:33:40,464 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:33:40,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:33:40,481 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:33:40,483 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:33:40,483 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:33:40,484 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2019-11-19 22:33:40,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c131e03/316651c65d674efd8b158fdff4a9e15c/FLAGe46d30a91 [2019-11-19 22:33:41,125 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:33:41,126 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2019-11-19 22:33:41,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c131e03/316651c65d674efd8b158fdff4a9e15c/FLAGe46d30a91 [2019-11-19 22:33:41,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61c131e03/316651c65d674efd8b158fdff4a9e15c [2019-11-19 22:33:41,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:33:41,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:33:41,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:33:41,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:33:41,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:33:41,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:33:41" (1/1) ... [2019-11-19 22:33:41,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e5233b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:41, skipping insertion in model container [2019-11-19 22:33:41,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:33:41" (1/1) ... [2019-11-19 22:33:41,442 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:33:41,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:33:42,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:33:42,058 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:33:42,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:33:42,243 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:33:42,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42 WrapperNode [2019-11-19 22:33:42,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:33:42,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:33:42,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:33:42,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:33:42,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:33:42,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:33:42,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:33:42,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:33:42,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (1/1) ... [2019-11-19 22:33:42,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:33:42,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:33:42,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:33:42,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:33:42,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (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 22:33:42,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-19 22:33:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-19 22:33:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:33:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-19 22:33:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:33:42,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-19 22:33:42,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:33:42,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:33:42,752 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:33:42,752 INFO L285 CfgBuilder]: Removed 12 assume(true) statements. [2019-11-19 22:33:42,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:42 BoogieIcfgContainer [2019-11-19 22:33:42,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:33:42,754 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:33:42,754 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:33:42,757 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:33:42,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:42,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:33:41" (1/3) ... [2019-11-19 22:33:42,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@225b3479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:33:42, skipping insertion in model container [2019-11-19 22:33:42,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:42,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:33:42" (2/3) ... [2019-11-19 22:33:42,761 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@225b3479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:33:42, skipping insertion in model container [2019-11-19 22:33:42,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:33:42,761 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:42" (3/3) ... [2019-11-19 22:33:42,763 INFO L371 chiAutomizerObserver]: Analyzing ICFG memleaks_test18_2.i [2019-11-19 22:33:42,814 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:33:42,814 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:33:42,814 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:33:42,814 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:33:42,815 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:33:42,815 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:33:42,815 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:33:42,815 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:33:42,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-19 22:33:42,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-19 22:33:42,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:42,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:42,861 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:33:42,861 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 22:33:42,861 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:33:42,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-11-19 22:33:42,863 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-19 22:33:42,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:42,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:42,864 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:33:42,864 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 22:33:42,868 INFO L794 eck$LassoCheckResult]: Stem: 12#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 10#L-1true havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 18#L527true assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 14#L530true entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 9#L767true assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 13#L768-3true [2019-11-19 22:33:42,869 INFO L796 eck$LassoCheckResult]: Loop: 13#L768-3true assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 4#L527-1true assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 16#L530-1true entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 6#L770true assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 11#L768-2true entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 13#L768-3true [2019-11-19 22:33:42,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:42,876 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-11-19 22:33:42,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:42,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912570390] [2019-11-19 22:33:42,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:43,094 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 22:33:43,095 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912570390] [2019-11-19 22:33:43,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:43,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:33:43,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071388512] [2019-11-19 22:33:43,104 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:33:43,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:43,105 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 1 times [2019-11-19 22:33:43,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:43,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639018095] [2019-11-19 22:33:43,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,211 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:43,459 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-19 22:33:43,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:43,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:33:43,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:33:43,585 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 4 states. [2019-11-19 22:33:43,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:43,674 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2019-11-19 22:33:43,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:33:43,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2019-11-19 22:33:43,679 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2019-11-19 22:33:43,684 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 23 transitions. [2019-11-19 22:33:43,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2019-11-19 22:33:43,686 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2019-11-19 22:33:43,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2019-11-19 22:33:43,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:43,688 INFO L688 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2019-11-19 22:33:43,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2019-11-19 22:33:43,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2019-11-19 22:33:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-19 22:33:43,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2019-11-19 22:33:43,721 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-19 22:33:43,721 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 15 transitions. [2019-11-19 22:33:43,721 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:33:43,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 15 transitions. [2019-11-19 22:33:43,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2019-11-19 22:33:43,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:43,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:43,723 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-11-19 22:33:43,723 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 22:33:43,724 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 69#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 70#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 72#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 67#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 68#L768-3 [2019-11-19 22:33:43,724 INFO L796 eck$LassoCheckResult]: Loop: 68#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 62#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 63#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 64#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 66#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 68#L768-3 [2019-11-19 22:33:43,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:43,724 INFO L82 PathProgramCache]: Analyzing trace with hash 28693831, now seen corresponding path program 1 times [2019-11-19 22:33:43,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:43,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765092657] [2019-11-19 22:33:43,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,782 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:43,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:43,787 INFO L82 PathProgramCache]: Analyzing trace with hash 49720347, now seen corresponding path program 2 times [2019-11-19 22:33:43,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:43,788 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423154771] [2019-11-19 22:33:43,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:43,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:43,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1173278059, now seen corresponding path program 1 times [2019-11-19 22:33:43,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:43,857 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34278596] [2019-11-19 22:33:43,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:43,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:44,198 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2019-11-19 22:33:44,312 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-11-19 22:33:44,572 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-11-19 22:33:44,682 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2019-11-19 22:33:44,699 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:33:44,701 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:33:44,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:33:44,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:33:44,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:33:44,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:44,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:33:44,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:33:44,714 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration2_Lasso [2019-11-19 22:33:44,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:33:44,715 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:33:44,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:44,776 INFO 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 22:33:44,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:44,784 INFO 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 22:33:45,078 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-11-19 22:33:45,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:45,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:45,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:45,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:45,221 INFO 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 22:33:45,224 INFO 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 22:33:45,232 INFO 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 22:33:45,239 INFO 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 22:33:45,243 INFO 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 22:33:45,251 INFO 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 22:33:45,255 INFO 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 22:33:45,258 INFO 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 22:33:45,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:45,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:45,839 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-11-19 22:33:46,118 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:33:46,124 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 22:33:46,145 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 22:33:46,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:46,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:46,162 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:46,175 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 22:33:46,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:46,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:46,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:46,196 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 22:33:46,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:46,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:46,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:46,214 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:46,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:46,231 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 22:33:46,245 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 22:33:46,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:46,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:46,263 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 22:33:46,282 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 22:33:46,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:46,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:46,286 INFO L402 nArgumentSynthesizer]: A total of 0 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 22:33:46,288 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 22:33:46,304 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 22:33:46,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:46,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:46,325 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,347 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 22:33:46,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:46,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:46,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:46,356 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,366 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 22:33:46,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,368 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-19 22:33:46,368 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 22:33:46,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:46,411 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2019-11-19 22:33:46,411 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-19 22:33:46,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:46,486 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 22:33:46,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:46,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:46,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:46,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:46,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:46,539 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:33:46,666 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2019-11-19 22:33:46,666 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 20 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:46,683 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:46,688 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-11-19 22:33:46,688 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:33:46,689 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~i~0) = -2*ULTIMATE.start_entry_point_~i~0 + 19 Supporting invariants [-1*ULTIMATE.start_entry_point_~len~0 + 10 >= 0] [2019-11-19 22:33:46,719 INFO L297 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2019-11-19 22:33:46,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:46,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 22:33:46,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:46,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 22:33:46,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:46,856 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 22:33:46,862 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-11-19 22:33:46,863 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4 Second operand 4 states. [2019-11-19 22:33:46,940 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 15 transitions. cyclomatic complexity: 4. Second operand 4 states. Result 21 states and 26 transitions. Complement of second has 5 states. [2019-11-19 22:33:46,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:33:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:33:46,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2019-11-19 22:33:46,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 5 letters. [2019-11-19 22:33:46,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:46,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 10 letters. Loop has 5 letters. [2019-11-19 22:33:46,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:46,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-19 22:33:46,950 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:46,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2019-11-19 22:33:46,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:33:46,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 21 transitions. [2019-11-19 22:33:46,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2019-11-19 22:33:46,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 22:33:46,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2019-11-19 22:33:46,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:33:46,957 INFO L688 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-19 22:33:46,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2019-11-19 22:33:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-19 22:33:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 22:33:46,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-19 22:33:46,962 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-19 22:33:46,963 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-19 22:33:46,963 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:33:46,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2019-11-19 22:33:46,965 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:33:46,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:46,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:46,966 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:46,966 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:46,967 INFO L794 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 187#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 188#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 191#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 185#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 186#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 177#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 178#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 181#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 182#L770-1 entry_point_~j~0 := entry_point_~i~0 - 1; 175#L775-3 [2019-11-19 22:33:46,967 INFO L796 eck$LassoCheckResult]: Loop: 175#L775-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 176#L775-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 175#L775-3 [2019-11-19 22:33:46,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:46,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1173218534, now seen corresponding path program 1 times [2019-11-19 22:33:46,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:46,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641175444] [2019-11-19 22:33:46,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,000 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:47,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 1 times [2019-11-19 22:33:47,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382770947] [2019-11-19 22:33:47,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,019 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:47,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash 2113389244, now seen corresponding path program 1 times [2019-11-19 22:33:47,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007866561] [2019-11-19 22:33:47,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:47,090 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 22:33:47,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007866561] [2019-11-19 22:33:47,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:47,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:33:47,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022653507] [2019-11-19 22:33:47,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:47,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:33:47,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:33:47,130 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand 4 states. [2019-11-19 22:33:47,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:47,166 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2019-11-19 22:33:47,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:33:47,167 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2019-11-19 22:33:47,169 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:33:47,169 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 21 states and 25 transitions. [2019-11-19 22:33:47,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2019-11-19 22:33:47,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2019-11-19 22:33:47,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2019-11-19 22:33:47,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:33:47,172 INFO L688 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-19 22:33:47,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2019-11-19 22:33:47,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2019-11-19 22:33:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 22:33:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-11-19 22:33:47,175 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 22:33:47,175 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-11-19 22:33:47,176 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 22:33:47,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2019-11-19 22:33:47,176 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:33:47,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:47,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:47,178 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:47,178 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:47,178 INFO L794 eck$LassoCheckResult]: Stem: 244#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 241#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 242#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 245#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 239#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 240#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 233#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 234#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 237#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 238#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 243#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 231#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 232#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 235#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 236#L770-1 entry_point_~j~0 := entry_point_~i~0 - 1; 229#L775-3 [2019-11-19 22:33:47,178 INFO L796 eck$LassoCheckResult]: Loop: 229#L775-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 230#L775-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 229#L775-3 [2019-11-19 22:33:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1659616398, now seen corresponding path program 1 times [2019-11-19 22:33:47,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,180 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562738615] [2019-11-19 22:33:47,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:33:47,227 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562738615] [2019-11-19 22:33:47,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:33:47,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:33:47,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414268671] [2019-11-19 22:33:47,231 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:33:47,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 2 times [2019-11-19 22:33:47,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589898263] [2019-11-19 22:33:47,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,240 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:47,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:33:47,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:33:47,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:33:47,271 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-19 22:33:47,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:33:47,306 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-11-19 22:33:47,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 22:33:47,307 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 26 transitions. [2019-11-19 22:33:47,308 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2019-11-19 22:33:47,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 22 states and 24 transitions. [2019-11-19 22:33:47,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2019-11-19 22:33:47,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2019-11-19 22:33:47,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2019-11-19 22:33:47,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:33:47,309 INFO L688 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-11-19 22:33:47,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2019-11-19 22:33:47,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2019-11-19 22:33:47,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-19 22:33:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2019-11-19 22:33:47,312 INFO L711 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-19 22:33:47,312 INFO L591 BuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2019-11-19 22:33:47,312 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-19 22:33:47,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2019-11-19 22:33:47,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-19 22:33:47,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:33:47,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:33:47,314 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:33:47,315 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-19 22:33:47,315 INFO L794 eck$LassoCheckResult]: Stem: 294#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, 4);call write~init~$Pointer$(~#ldv_global_msg_list~0.base, ~#ldv_global_msg_list~0.offset, ~#ldv_global_msg_list~0.base, 4 + ~#ldv_global_msg_list~0.offset, 4); 291#L-1 havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset, entry_point_#t~ret40.base, entry_point_#t~ret40.offset, entry_point_#t~post39, entry_point_#t~mem42.base, entry_point_#t~mem42.offset, entry_point_#t~post41, entry_point_~len~0, entry_point_~array~0.base, entry_point_~array~0.offset, entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~i~0, entry_point_~j~0;entry_point_~len~0 := 10;ldv_malloc_#in~size := 4 * entry_point_~len~0;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 292#L527 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 295#L530 entry_point_#t~ret38.base, entry_point_#t~ret38.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~array~0.base, entry_point_~array~0.offset := entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_#t~ret38.base, entry_point_#t~ret38.offset;havoc entry_point_~p~0.base, entry_point_~p~0.offset;entry_point_~i~0 := 0;havoc entry_point_~j~0; 289#L767 assume !(entry_point_~array~0.base == 0 && entry_point_~array~0.offset == 0); 290#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 283#L527-1 assume 0 != ldv_malloc_#t~nondet11;havoc ldv_malloc_#t~nondet11;call ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset := #Ultimate.allocOnHeap(ldv_malloc_~size);ldv_malloc_#res.base, ldv_malloc_#res.offset := ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset; 284#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 287#L770 assume !(entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0);call write~$Pointer$(entry_point_~p~0.base, entry_point_~p~0.offset, entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~i~0, 4); 288#L768-2 entry_point_#t~post39 := entry_point_~i~0;entry_point_~i~0 := 1 + entry_point_#t~post39;havoc entry_point_#t~post39; 293#L768-3 assume !!(entry_point_~i~0 < entry_point_~len~0);ldv_malloc_#in~size := 4;havoc ldv_malloc_#res.base, ldv_malloc_#res.offset;havoc ldv_malloc_#t~nondet11, ldv_malloc_#t~malloc12.base, ldv_malloc_#t~malloc12.offset, ldv_malloc_~size;ldv_malloc_~size := ldv_malloc_#in~size; 281#L527-1 assume !(0 != ldv_malloc_#t~nondet11);havoc ldv_malloc_#t~nondet11;ldv_malloc_#res.base, ldv_malloc_#res.offset := 0, 0; 282#L530-1 entry_point_#t~ret40.base, entry_point_#t~ret40.offset := ldv_malloc_#res.base, ldv_malloc_#res.offset;entry_point_~p~0.base, entry_point_~p~0.offset := entry_point_#t~ret40.base, entry_point_#t~ret40.offset;havoc entry_point_#t~ret40.base, entry_point_#t~ret40.offset; 285#L770 assume entry_point_~p~0.base == 0 && entry_point_~p~0.offset == 0; 286#L770-1 entry_point_~j~0 := entry_point_~i~0 - 1; 279#L775-3 [2019-11-19 22:33:47,315 INFO L796 eck$LassoCheckResult]: Loop: 279#L775-3 assume !!(entry_point_~j~0 >= 0);call entry_point_#t~mem42.base, entry_point_#t~mem42.offset := read~$Pointer$(entry_point_~array~0.base, entry_point_~array~0.offset + 4 * entry_point_~j~0, 4);call ULTIMATE.dealloc(entry_point_#t~mem42.base, entry_point_#t~mem42.offset);havoc entry_point_#t~mem42.base, entry_point_#t~mem42.offset; 280#L775-2 entry_point_#t~post41 := entry_point_~j~0;entry_point_~j~0 := entry_point_#t~post41 - 1;havoc entry_point_#t~post41; 279#L775-3 [2019-11-19 22:33:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,316 INFO L82 PathProgramCache]: Analyzing trace with hash 979558028, now seen corresponding path program 1 times [2019-11-19 22:33:47,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476035494] [2019-11-19 22:33:47,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,347 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:47,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,348 INFO L82 PathProgramCache]: Analyzing trace with hash 2531, now seen corresponding path program 3 times [2019-11-19 22:33:47,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905338659] [2019-11-19 22:33:47,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:47,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:47,362 INFO L82 PathProgramCache]: Analyzing trace with hash 757428654, now seen corresponding path program 1 times [2019-11-19 22:33:47,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:33:47,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805842604] [2019-11-19 22:33:47,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:33:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:33:47,432 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:33:48,234 WARN L191 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 144 [2019-11-19 22:33:48,416 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-11-19 22:33:48,425 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:33:48,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:33:48,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:33:48,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:33:48,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:33:48,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:48,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:33:48,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:33:48,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: memleaks_test18_2.i_Iteration5_Lasso [2019-11-19 22:33:48,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:33:48,426 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:33:48,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:48,439 INFO 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 22:33:48,445 INFO 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 22:33:48,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:48,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:48,459 INFO 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 22:33:48,461 INFO 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 22:33:48,465 INFO 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 22:33:48,468 INFO 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 22:33:48,471 INFO 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 22:33:48,485 INFO 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 22:33:48,489 INFO 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 22:33:48,491 INFO 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 22:33:48,499 INFO 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 22:33:48,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:48,509 INFO 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 22:33:48,517 INFO 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 22:33:48,520 INFO 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 22:33:48,754 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 52 [2019-11-19 22:33:48,806 INFO 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 22:33:48,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:33:48,816 INFO 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 22:33:48,822 INFO 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 22:33:49,321 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-11-19 22:33:49,420 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:33:49,421 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,430 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 22:33:49,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,434 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,436 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,450 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 22:33:49,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,459 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) [2019-11-19 22:33:49,471 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 22:33:49,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,486 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 22:33:49,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,490 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,510 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 22:33:49,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,535 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 22:33:49,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,546 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 22:33:49,562 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 22:33:49,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,570 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,570 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,573 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 22:33:49,583 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 22:33:49,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:49,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,596 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 22:33:49,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:49,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,606 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 22:33:49,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:49,610 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 22:33:49,616 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 Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,622 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,622 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:49,627 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 22:33:49,638 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 22:33:49,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,640 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 22:33:49,642 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,648 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 22:33:49,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:49,651 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,656 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 22:33:49,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:49,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,666 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 22:33:49,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,671 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:49,675 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,684 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 22:33:49,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:49,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,696 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 22:33:49,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:49,700 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,706 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 22:33:49,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:33:49,720 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,728 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 22:33:49,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:33:49,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:33:49,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,740 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-19 22:33:49,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,752 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2019-11-19 22:33:49,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:33:49,760 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-19 22:33:49,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,773 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:33:49,780 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 22:33:49,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:33:49,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:33:49,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:33:49,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:33:49,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-19 22:33:49,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-19 22:33:49,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:33:49,836 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2019-11-19 22:33:49,836 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 14 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 22:33:49,839 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:33:49,842 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-19 22:33:49,842 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:33:49,843 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_entry_point_~j~0) = 2*ULTIMATE.start_entry_point_~j~0 + 1 Supporting invariants [] [2019-11-19 22:33:49,861 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-11-19 22:33:49,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:33:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:49,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:33:49,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:33:49,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:33:49,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:33:49,922 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 22:33:49,923 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 22:33:49,923 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand 3 states. [2019-11-19 22:33:49,936 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 4. Second operand 3 states. Result 19 states and 22 transitions. Complement of second has 4 states. [2019-11-19 22:33:49,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:33:49,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 22:33:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2019-11-19 22:33:49,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 2 letters. [2019-11-19 22:33:49,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:49,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 17 letters. Loop has 2 letters. [2019-11-19 22:33:49,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:49,938 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2019-11-19 22:33:49,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:33:49,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2019-11-19 22:33:49,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:33:49,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2019-11-19 22:33:49,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:33:49,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:33:49,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:33:49,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:33:49,940 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:33:49,941 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:33:49,941 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:33:49,941 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-19 22:33:49,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:33:49,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:33:49,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:33:49,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:33:49 BoogieIcfgContainer [2019-11-19 22:33:49,949 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:33:49,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:33:49,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:33:49,950 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:33:49,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:33:42" (3/4) ... [2019-11-19 22:33:49,954 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:33:49,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:33:49,956 INFO L168 Benchmark]: Toolchain (without parser) took 8531.28 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -102.7 MB). Peak memory consumption was 221.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:49,956 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:33:49,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:49,958 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.41 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 22:33:49,958 INFO L168 Benchmark]: Boogie Preprocessor took 34.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:33:49,959 INFO L168 Benchmark]: RCFGBuilder took 416.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:49,960 INFO L168 Benchmark]: BuchiAutomizer took 7194.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 206.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:33:49,960 INFO L168 Benchmark]: Witness Printer took 4.78 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:33:49,964 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 818.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 416.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7194.81 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 190.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 206.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.78 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 4 locations. One deterministic module has affine ranking function 2 * j + 1 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 6.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 85 SDtfs, 63 SDslu, 72 SDs, 0 SdLazy, 59 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital255 mio100 ax111 hnf101 lsp83 ukn55 mio100 lsp57 div100 bol100 ite100 ukn100 eq190 hnf92 smp100 dnf112 smp92 tf100 neg96 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 106ms VariablesStem: 7 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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...