./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:38:53,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:38:53,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:38:53,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:38:53,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:38:53,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:38:53,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:38:53,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:38:53,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:38:53,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:38:53,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:38:53,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:38:53,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:38:53,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:38:53,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:38:53,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:38:53,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:38:53,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:38:53,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:38:53,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:38:53,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:38:53,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:38:53,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:38:53,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:38:53,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:38:53,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:38:53,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:38:53,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:38:53,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:38:53,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:38:53,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:38:53,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:38:53,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:38:53,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:38:53,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:38:53,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:38:53,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:38:53,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:38:53,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:38:53,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:38:53,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:38:53,218 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:38:53,242 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:38:53,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:38:53,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:38:53,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:38:53,248 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:38:53,248 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:38:53,249 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:38:53,249 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:38:53,249 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:38:53,249 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:38:53,250 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:38:53,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:38:53,250 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:38:53,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:38:53,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:38:53,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:38:53,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:38:53,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:38:53,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:38:53,252 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:38:53,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:38:53,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:38:53,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:38:53,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:38:53,253 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:38:53,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:38:53,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:38:53,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:38:53,254 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:38:53,255 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:38:53,256 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1996219c6dbc0f4aa6a0486eb748fdb92fa73f6 [2020-10-20 06:38:53,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:38:53,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:38:53,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:38:53,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:38:53,482 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:38:53,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2020-10-20 06:38:53,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e15f340/b5805ba2adaf45589fbc50574bb65eff/FLAG1885cb5a3 [2020-10-20 06:38:54,140 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:38:54,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.03-no-inv_assume-alloca.i [2020-10-20 06:38:54,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e15f340/b5805ba2adaf45589fbc50574bb65eff/FLAG1885cb5a3 [2020-10-20 06:38:54,432 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2e15f340/b5805ba2adaf45589fbc50574bb65eff [2020-10-20 06:38:54,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:38:54,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:38:54,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:54,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:38:54,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:38:54,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:54" (1/1) ... [2020-10-20 06:38:54,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293db2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:54, skipping insertion in model container [2020-10-20 06:38:54,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:54" (1/1) ... [2020-10-20 06:38:54,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:38:54,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:38:54,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:54,916 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:38:54,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:55,016 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:38:55,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55 WrapperNode [2020-10-20 06:38:55,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:55,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:55,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:38:55,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:38:55,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:55,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:38:55,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:38:55,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:38:55,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... [2020-10-20 06:38:55,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:38:55,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:38:55,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:38:55,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:38:55,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:38:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:38:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:38:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:38:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:38:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:38:55,493 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:38:55,494 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:38:55,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:55 BoogieIcfgContainer [2020-10-20 06:38:55,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:38:55,497 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:38:55,497 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:38:55,501 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:38:55,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:55,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:38:54" (1/3) ... [2020-10-20 06:38:55,504 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12659c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:55, skipping insertion in model container [2020-10-20 06:38:55,504 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:55,504 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:55" (2/3) ... [2020-10-20 06:38:55,505 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12659c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:55, skipping insertion in model container [2020-10-20 06:38:55,505 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:55,505 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:55" (3/3) ... [2020-10-20 06:38:55,507 INFO L373 chiAutomizerObserver]: Analyzing ICFG b.03-no-inv_assume-alloca.i [2020-10-20 06:38:55,576 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:38:55,579 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:38:55,579 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:38:55,579 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:38:55,580 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:38:55,580 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:38:55,580 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:38:55,581 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:38:55,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:38:55,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:55,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:55,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:55,622 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:38:55,622 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:55,622 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:38:55,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:38:55,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:55,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:55,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:55,625 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:38:55,625 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:55,632 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 4#L553true assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 8#L556-5true [2020-10-20 06:38:55,633 INFO L796 eck$LassoCheckResult]: Loop: 8#L556-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 11#L556-1true assume !test_fun_#t~short10; 5#L556-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12; 8#L556-5true [2020-10-20 06:38:55,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:55,638 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-20 06:38:55,645 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:55,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175353403] [2020-10-20 06:38:55,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:55,782 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:55,806 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:55,829 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:55,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:55,831 INFO L82 PathProgramCache]: Analyzing trace with hash 41873, now seen corresponding path program 1 times [2020-10-20 06:38:55,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:55,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370474803] [2020-10-20 06:38:55,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:38:55,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370474803] [2020-10-20 06:38:55,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:38:55,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:38:55,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396125621] [2020-10-20 06:38:55,912 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 06:38:55,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:38:55,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:38:55,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:38:55,935 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2020-10-20 06:38:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:38:55,968 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-10-20 06:38:55,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:38:55,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2020-10-20 06:38:55,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:55,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 6 states and 6 transitions. [2020-10-20 06:38:55,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-20 06:38:55,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2020-10-20 06:38:55,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2020-10-20 06:38:55,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:38:55,984 INFO L691 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-20 06:38:56,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2020-10-20 06:38:56,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-20 06:38:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-20 06:38:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-10-20 06:38:56,016 INFO L714 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-20 06:38:56,017 INFO L594 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2020-10-20 06:38:56,017 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:38:56,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-10-20 06:38:56,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:56,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:56,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:56,019 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:38:56,019 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:56,019 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 32#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~ret16;test_fun_#in~x, test_fun_#in~y := main_#t~nondet14, main_#t~nondet15;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~mem4, test_fun_#t~mem5, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem9, test_fun_#t~mem8, test_fun_#t~short10, test_fun_#t~mem13, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem4 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 33#L553 assume !(test_fun_#t~mem4 <= 0);havoc test_fun_#t~mem4; 34#L556-5 [2020-10-20 06:38:56,020 INFO L796 eck$LassoCheckResult]: Loop: 34#L556-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 37#L556-1 assume test_fun_#t~short10;call test_fun_#t~mem9 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem9 <= 2147483647 - test_fun_#t~mem8; 35#L556-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 + test_fun_#t~mem12, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;havoc test_fun_#t~mem12; 34#L556-5 [2020-10-20 06:38:56,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:56,020 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2020-10-20 06:38:56,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:56,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888837198] [2020-10-20 06:38:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:56,053 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:56,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:56,098 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:56,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:56,099 INFO L82 PathProgramCache]: Analyzing trace with hash 41811, now seen corresponding path program 1 times [2020-10-20 06:38:56,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:56,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940253223] [2020-10-20 06:38:56,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:56,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:56,131 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:56,134 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:56,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:56,135 INFO L82 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2020-10-20 06:38:56,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:56,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241916565] [2020-10-20 06:38:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:56,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:56,204 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:56,216 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:56,391 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-10-20 06:38:56,711 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 74 [2020-10-20 06:38:56,825 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-20 06:38:56,841 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:38:56,842 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:38:56,842 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:38:56,842 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:38:56,843 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:38:56,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:56,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:38:56,852 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:38:56,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.03-no-inv_assume-alloca.i_Iteration2_Lasso [2020-10-20 06:38:56,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:38:56,854 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:38:56,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:56,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,207 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2020-10-20 06:38:57,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:57,806 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:38:57,811 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) [2020-10-20 06:38:57,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:57,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:57,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:57,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:57,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:57,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:57,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:57,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:57,845 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:57,877 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 [2020-10-20 06:38:57,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:57,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:57,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:57,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:57,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:57,893 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:57,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:57,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:57,923 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 [2020-10-20 06:38:57,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:57,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:57,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:57,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:57,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:57,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:57,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:57,930 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) [2020-10-20 06:38:57,979 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 [2020-10-20 06:38:57,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:57,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:57,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:57,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:57,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:57,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:57,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:57,985 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 [2020-10-20 06:38:58,019 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 [2020-10-20 06:38:58,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:58,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:58,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:58,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,060 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 [2020-10-20 06:38:58,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:58,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:58,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:58,065 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,103 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 [2020-10-20 06:38:58,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:58,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:58,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:58,109 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 [2020-10-20 06:38:58,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:58,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:58,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:58,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:58,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:38:58,180 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:58,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:58,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:58,186 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,217 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 [2020-10-20 06:38:58,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:58,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:58,229 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:58,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:58,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:58,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:58,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,301 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 [2020-10-20 06:38:58,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:58,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:58,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,367 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 [2020-10-20 06:38:58,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:58,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:58,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:58,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:58,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:58,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:58,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:38:58,543 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 06:38:58,543 INFO L444 ModelExtractionUtils]: 21 out of 28 variables were initially zero. Simplification set additionally 2 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:58,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:38:58,556 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 06:38:58,557 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:38:58,558 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 + 2147483647 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1 >= 0] [2020-10-20 06:38:58,686 INFO L297 tatePredicateManager]: 11 out of 12 supporting invariants were superfluous and have been removed [2020-10-20 06:38:58,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:38:58,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:58,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:38:58,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:38:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:58,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:38:58,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:38:58,861 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:58,874 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:58,932 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:58,943 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:38:58,998 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-10-20 06:38:58,999 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand 5 states. [2020-10-20 06:38:59,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 6 transitions. cyclomatic complexity: 1. Second operand 5 states. Result 9 states and 10 transitions. Complement of second has 7 states. [2020-10-20 06:38:59,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:38:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:38:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6 transitions. [2020-10-20 06:38:59,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 3 letters. [2020-10-20 06:38:59,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:59,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 6 letters. Loop has 3 letters. [2020-10-20 06:38:59,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:59,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6 transitions. Stem has 3 letters. Loop has 6 letters. [2020-10-20 06:38:59,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:59,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2020-10-20 06:38:59,123 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:38:59,123 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-20 06:38:59,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:38:59,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:38:59,123 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:38:59,123 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:38:59,124 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:59,124 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:59,124 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:59,124 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:38:59,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:38:59,124 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:38:59,124 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:38:59,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:38:59 BoogieIcfgContainer [2020-10-20 06:38:59,130 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:38:59,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:38:59,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:38:59,130 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:38:59,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:55" (3/4) ... [2020-10-20 06:38:59,134 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:38:59,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:38:59,136 INFO L168 Benchmark]: Toolchain (without parser) took 4698.62 ms. Allocated memory was 34.6 MB in the beginning and 62.9 MB in the end (delta: 28.3 MB). Free memory was 8.7 MB in the beginning and 38.3 MB in the end (delta: -29.6 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:38:59,137 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 33.0 MB. Free memory was 16.5 MB in the beginning and 16.5 MB in the end (delta: 49.7 kB). Peak memory consumption was 49.7 kB. Max. memory is 14.3 GB. [2020-10-20 06:38:59,137 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.24 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 7.8 MB in the beginning and 26.3 MB in the end (delta: -18.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:59,138 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.36 ms. Allocated memory is still 43.5 MB. Free memory was 26.3 MB in the beginning and 24.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:59,139 INFO L168 Benchmark]: Boogie Preprocessor took 27.00 ms. Allocated memory is still 43.5 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:59,140 INFO L168 Benchmark]: RCFGBuilder took 405.09 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 22.9 MB in the beginning and 21.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:59,141 INFO L168 Benchmark]: BuchiAutomizer took 3633.29 ms. Allocated memory was 45.6 MB in the beginning and 62.9 MB in the end (delta: 17.3 MB). Free memory was 21.5 MB in the beginning and 38.9 MB in the end (delta: -17.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:38:59,141 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 62.9 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:38:59,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 33.0 MB. Free memory was 16.5 MB in the beginning and 16.5 MB in the end (delta: 49.7 kB). Peak memory consumption was 49.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 573.24 ms. Allocated memory was 34.6 MB in the beginning and 43.5 MB in the end (delta: 8.9 MB). Free memory was 7.8 MB in the beginning and 26.3 MB in the end (delta: -18.6 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 45.36 ms. Allocated memory is still 43.5 MB. Free memory was 26.3 MB in the beginning and 24.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 27.00 ms. Allocated memory is still 43.5 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 405.09 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 22.9 MB in the beginning and 21.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 3633.29 ms. Allocated memory was 45.6 MB in the beginning and 62.9 MB in the end (delta: 17.3 MB). Free memory was 21.5 MB in the beginning and 38.9 MB in the end (delta: -17.4 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 4.11 ms. Allocated memory is still 62.9 MB. Free memory is still 38.3 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 13 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital211 mio100 ax108 hnf99 lsp88 ukn69 mio100 lsp39 div100 bol100 ite100 ukn100 eq158 hnf90 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...