./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.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/c.03-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4eacdd25ec766896c06b3ec61ff2eab4c80478ff ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:39:21,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:39:21,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:39:21,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:39:21,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:39:21,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:39:21,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:39:21,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:39:21,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:39:21,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:39:21,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:39:21,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:39:21,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:39:21,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:39:21,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:39:21,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:39:21,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:39:21,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:39:21,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:39:21,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:39:21,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:39:21,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:39:21,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:39:21,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:39:21,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:39:21,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:39:21,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:39:21,268 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:39:21,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:39:21,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:39:21,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:39:21,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:39:21,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:39:21,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:39:21,286 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:39:21,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:39:21,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:39:21,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:39:21,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:39:21,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:39:21,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:39:21,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:39:21,332 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:39:21,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:39:21,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:39:21,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:39:21,334 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:39:21,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:39:21,334 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:39:21,335 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:39:21,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:39:21,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:39:21,335 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:39:21,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:39:21,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:39:21,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:39:21,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:39:21,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:39:21,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:39:21,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:39:21,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:39:21,338 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:39:21,338 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:39:21,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:39:21,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:39:21,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:39:21,339 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:39:21,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:39:21,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:39:21,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:39:21,340 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:39:21,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:39:21,341 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 -> 4eacdd25ec766896c06b3ec61ff2eab4c80478ff [2020-10-20 06:39:21,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:39:21,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:39:21,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:39:21,566 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:39:21,566 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:39:21,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2020-10-20 06:39:21,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2a2e51e/c7e8964f30cd48358cdcf45cae05efe4/FLAG7c560b9c4 [2020-10-20 06:39:22,099 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:39:22,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/c.03-alloca-1.i [2020-10-20 06:39:22,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2a2e51e/c7e8964f30cd48358cdcf45cae05efe4/FLAG7c560b9c4 [2020-10-20 06:39:22,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd2a2e51e/c7e8964f30cd48358cdcf45cae05efe4 [2020-10-20 06:39:22,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:39:22,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:39:22,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:39:22,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:39:22,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:39:22,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:39:22" (1/1) ... [2020-10-20 06:39:22,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166d61e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:22, skipping insertion in model container [2020-10-20 06:39:22,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:39:22" (1/1) ... [2020-10-20 06:39:22,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:39:22,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:39:22,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:39:22,994 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:39:23,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:39:23,083 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:39:23,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23 WrapperNode [2020-10-20 06:39:23,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:39:23,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:39:23,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:39:23,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:39:23,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:39:23,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:39:23,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:39:23,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:39:23,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (1/1) ... [2020-10-20 06:39:23,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:39:23,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:39:23,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:39:23,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:39:23,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (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 06:39:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:39:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:39:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:39:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:39:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:39:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:39:23,585 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:39:23,586 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:39:23,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:23 BoogieIcfgContainer [2020-10-20 06:39:23,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:39:23,589 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:39:23,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:39:23,592 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:39:23,595 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:23,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:39:22" (1/3) ... [2020-10-20 06:39:23,597 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b0fe924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:39:23, skipping insertion in model container [2020-10-20 06:39:23,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:23,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:39:23" (2/3) ... [2020-10-20 06:39:23,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b0fe924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:39:23, skipping insertion in model container [2020-10-20 06:39:23,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:39:23,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:23" (3/3) ... [2020-10-20 06:39:23,601 INFO L373 chiAutomizerObserver]: Analyzing ICFG c.03-alloca-1.i [2020-10-20 06:39:23,648 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:39:23,649 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:39:23,649 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:39:23,649 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:39:23,650 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:39:23,650 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:39:23,650 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:39:23,650 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:39:23,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:39:23,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:23,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:23,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:23,698 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:39:23,698 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:39:23,698 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:39:23,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:39:23,699 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:23,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:23,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:23,700 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:39:23,701 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:39:23,709 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~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L558-2true [2020-10-20 06:39:23,712 INFO L796 eck$LassoCheckResult]: Loop: 9#L558-2true 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 10#L557-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 13#L557-3true assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 5#L558true assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 9#L558-2true [2020-10-20 06:39:23,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:23,724 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:39:23,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:23,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528373783] [2020-10-20 06:39:23,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:23,939 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:23,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:24,018 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:24,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:24,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2020-10-20 06:39:24,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:24,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547788992] [2020-10-20 06:39:24,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:24,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:24,064 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:24,071 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:24,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:24,073 INFO L82 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2020-10-20 06:39:24,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:24,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670914538] [2020-10-20 06:39:24,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:24,121 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:24,189 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:24,198 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:24,428 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 06:39:25,414 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-10-20 06:39:25,877 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-20 06:39:25,896 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:25,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:25,898 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:25,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:25,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:25,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:25,899 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:25,899 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:25,899 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration1_Lasso [2020-10-20 06:39:25,899 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:25,900 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:25,928 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 06:39:25,935 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 06:39:25,938 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 06:39:25,940 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 06:39:25,943 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 06:39:25,948 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 06:39:26,614 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 93 [2020-10-20 06:39:26,815 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-10-20 06:39:26,816 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 06:39:26,825 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 06:39:26,828 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 06:39:26,833 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 06:39:26,836 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 06:39:26,839 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 06:39:26,841 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 06:39:26,843 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 06:39:26,845 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 06:39:26,857 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 06:39:26,861 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 06:39:26,863 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 06:39:26,866 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 06:39:27,176 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-10-20 06:39:27,618 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:27,623 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 [2020-10-20 06:39:27,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:27,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:27,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:27,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:27,640 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 06:39:27,671 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 06:39:27,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:27,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:27,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:27,677 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) [2020-10-20 06:39:27,700 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 06:39:27,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:27,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:27,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:27,705 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:27,736 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 06:39:27,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:27,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:27,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:27,742 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 06:39:27,767 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 06:39:27,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:27,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:27,779 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) [2020-10-20 06:39:27,807 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 06:39:27,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:27,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:27,816 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 06:39:27,846 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 06:39:27,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,851 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:27,851 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:27,869 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 06:39:27,904 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 06:39:27,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:27,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:27,917 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 [2020-10-20 06:39:27,941 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 06:39:27,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:27,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:27,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:27,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:27,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:27,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:27,981 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:28,189 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2020-10-20 06:39:28,189 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 21 variables to zero. 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 06:39:28,204 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:39:28,210 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 06:39:28,210 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:28,211 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1, ULTIMATE.start_test_fun_~z) = -4294967292*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 + 4294967291*ULTIMATE.start_test_fun_~z Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 + 1*ULTIMATE.start_test_fun_~z >= 0] [2020-10-20 06:39:28,489 INFO L297 tatePredicateManager]: 41 out of 42 supporting invariants were superfluous and have been removed [2020-10-20 06:39:28,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:28,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:28,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:39:28,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:28,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 10 conjunts are in the unsatisfiable core [2020-10-20 06:39:28,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:28,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:28,737 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 06:39:28,756 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:39:28,758 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2020-10-20 06:39:28,918 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 34 states and 42 transitions. Complement of second has 10 states. [2020-10-20 06:39:28,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:39:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2020-10-20 06:39:28,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 06:39:28,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:28,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-20 06:39:28,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:28,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 8 letters. [2020-10-20 06:39:28,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:28,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2020-10-20 06:39:28,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:28,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 20 transitions. [2020-10-20 06:39:28,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2020-10-20 06:39:28,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-20 06:39:28,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2020-10-20 06:39:28,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:28,938 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-20 06:39:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2020-10-20 06:39:28,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 06:39:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:39:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2020-10-20 06:39:28,969 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-20 06:39:28,969 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-10-20 06:39:28,969 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:39:28,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2020-10-20 06:39:28,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:28,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:28,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:28,971 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:39:28,971 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:39:28,971 INFO L794 eck$LassoCheckResult]: Stem: 274#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 268#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 269#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 277#L557-1 assume !test_fun_#t~short9; 278#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 270#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 271#L558-2 [2020-10-20 06:39:28,972 INFO L796 eck$LassoCheckResult]: Loop: 271#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 275#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 281#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 280#L558 assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 271#L558-2 [2020-10-20 06:39:28,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:28,972 INFO L82 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2020-10-20 06:39:28,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:28,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971491854] [2020-10-20 06:39:28,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:28,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:29,033 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 06:39:29,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971491854] [2020-10-20 06:39:29,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:39:29,035 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:39:29,035 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188570387] [2020-10-20 06:39:29,039 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:39:29,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:29,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 2 times [2020-10-20 06:39:29,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:29,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437950370] [2020-10-20 06:39:29,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,061 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,064 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:29,218 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 06:39:29,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:39:29,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:39:29,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:39:29,265 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-10-20 06:39:29,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:39:29,284 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2020-10-20 06:39:29,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:39:29,285 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 20 transitions. [2020-10-20 06:39:29,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:29,287 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 14 states and 17 transitions. [2020-10-20 06:39:29,288 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-10-20 06:39:29,288 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-10-20 06:39:29,288 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2020-10-20 06:39:29,288 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:29,288 INFO L691 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:39:29,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2020-10-20 06:39:29,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 06:39:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:39:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2020-10-20 06:39:29,291 INFO L714 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:39:29,291 INFO L594 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2020-10-20 06:39:29,291 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:39:29,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2020-10-20 06:39:29,292 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:29,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:29,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:29,293 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:39:29,293 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:39:29,294 INFO L794 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 305#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 306#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 314#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 315#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 307#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 308#L558-2 [2020-10-20 06:39:29,294 INFO L796 eck$LassoCheckResult]: Loop: 308#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 312#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 318#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 317#L558 assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 308#L558-2 [2020-10-20 06:39:29,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:29,294 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2020-10-20 06:39:29,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:29,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581908972] [2020-10-20 06:39:29,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,377 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,390 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 3 times [2020-10-20 06:39:29,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:29,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259632801] [2020-10-20 06:39:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:29,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:29,443 INFO L82 PathProgramCache]: Analyzing trace with hash -980235887, now seen corresponding path program 1 times [2020-10-20 06:39:29,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:29,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407475588] [2020-10-20 06:39:29,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:29,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:29,536 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:29,661 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 06:39:30,956 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 167 DAG size of output: 134 [2020-10-20 06:39:31,405 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-20 06:39:31,409 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:31,409 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:31,409 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:31,409 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:31,409 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:31,409 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:31,410 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:31,410 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:31,410 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration3_Lasso [2020-10-20 06:39:31,410 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:31,410 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:31,415 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 06:39:31,425 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 06:39:31,434 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 06:39:31,436 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 06:39:31,440 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 06:39:32,079 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 95 [2020-10-20 06:39:32,245 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-10-20 06:39:32,252 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 06:39:32,256 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 06:39:32,258 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 06:39:32,260 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 06:39:32,262 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 06:39:32,266 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 06:39:32,268 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 06:39:32,270 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 06:39:32,273 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 06:39:32,276 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 06:39:32,278 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 06:39:32,280 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 06:39:32,282 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 06:39:32,284 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 06:39:32,287 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 06:39:32,291 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 06:39:33,003 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:33,003 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:39:33,008 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,016 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 06:39:33,040 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 06:39:33,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:33,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:33,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:33,050 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 06:39:33,077 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 06:39:33,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:33,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:33,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:33,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,103 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 06:39:33,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,115 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,145 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 [2020-10-20 06:39:33,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,177 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 06:39:33,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,185 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:33,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,219 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,230 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,253 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 06:39:33,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,263 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 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 [2020-10-20 06:39:33,285 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 06:39:33,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,300 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 [2020-10-20 06:39:33,334 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 06:39:33,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,337 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,337 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:33,341 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) [2020-10-20 06:39:33,386 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 06:39:33,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,400 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) [2020-10-20 06:39:33,430 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 [2020-10-20 06:39:33,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:33,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:33,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:33,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:33,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:33,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,457 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:33,480 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 06:39:33,480 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:33,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:39:33,485 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:39:33,485 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:33,485 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_2 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_2 Supporting invariants [] [2020-10-20 06:39:33,695 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2020-10-20 06:39:33,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:33,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:33,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:39:33,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:33,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:39:33,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:33,760 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 06:39:33,760 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 [2020-10-20 06:39:33,760 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand 4 states. [2020-10-20 06:39:33,789 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 27 transitions. Complement of second has 7 states. [2020-10-20 06:39:33,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:39:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-10-20 06:39:33,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 4 letters. [2020-10-20 06:39:33,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:33,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:39:33,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:33,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 6 letters. Loop has 8 letters. [2020-10-20 06:39:33,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:33,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. [2020-10-20 06:39:33,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:33,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 27 transitions. [2020-10-20 06:39:33,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-20 06:39:33,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2020-10-20 06:39:33,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2020-10-20 06:39:33,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:33,798 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:39:33,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2020-10-20 06:39:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-20 06:39:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-20 06:39:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-10-20 06:39:33,801 INFO L714 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:39:33,801 INFO L594 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-20 06:39:33,801 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:39:33,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2020-10-20 06:39:33,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:33,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:33,802 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:33,803 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1] [2020-10-20 06:39:33,803 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:39:33,803 INFO L794 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 559#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 560#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 576#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 574#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 572#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 571#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 566#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 567#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 561#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 562#L558-2 [2020-10-20 06:39:33,803 INFO L796 eck$LassoCheckResult]: Loop: 562#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 570#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 575#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 573#L558 assume test_fun_#t~mem10 < test_fun_#t~mem11;havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem12 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem12; 562#L558-2 [2020-10-20 06:39:33,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:33,803 INFO L82 PathProgramCache]: Analyzing trace with hash -980235885, now seen corresponding path program 2 times [2020-10-20 06:39:33,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:33,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284843608] [2020-10-20 06:39:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:33,826 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:33,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:33,853 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:33,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:33,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 4 times [2020-10-20 06:39:33,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:33,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287616273] [2020-10-20 06:39:33,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:33,861 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:33,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:33,868 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:33,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:33,869 INFO L82 PathProgramCache]: Analyzing trace with hash -987685255, now seen corresponding path program 2 times [2020-10-20 06:39:33,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:33,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055404832] [2020-10-20 06:39:33,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:33,900 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:33,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:33,935 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:34,071 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 58 [2020-10-20 06:39:35,463 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 204 DAG size of output: 154 [2020-10-20 06:39:35,983 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-20 06:39:35,987 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:35,987 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:35,988 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:35,988 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:35,988 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:35,988 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:35,988 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:35,988 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:35,988 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration4_Lasso [2020-10-20 06:39:35,989 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:35,989 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:35,992 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 06:39:36,003 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 06:39:36,656 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 98 [2020-10-20 06:39:36,823 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-10-20 06:39:36,824 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 06:39:36,827 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 06:39:36,829 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 06:39:36,832 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 06:39:36,834 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 06:39:36,836 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 06:39:36,839 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 06:39:36,841 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 06:39:36,843 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 06:39:36,845 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 06:39:36,849 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 06:39:36,851 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 06:39:36,854 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 06:39:36,861 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 06:39:36,864 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 06:39:36,866 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 06:39:36,868 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 06:39:37,581 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:37,581 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 06:39:37,585 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 06:39:37,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:37,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:37,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:37,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:37,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:37,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:37,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:37,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:39:37,618 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 06:39:37,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:37,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:37,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:37,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:37,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:37,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:37,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:37,673 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2020-10-20 06:39:37,673 INFO L444 ModelExtractionUtils]: 32 out of 40 variables were initially zero. Simplification set additionally 5 variables to zero. 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 [2020-10-20 06:39:37,675 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:39:37,677 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:39:37,678 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:37,678 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_3 + 4294967291 Supporting invariants [] [2020-10-20 06:39:37,856 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2020-10-20 06:39:37,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:37,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:37,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:39:37,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:37,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:39:37,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:37,912 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:37,986 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 06:39:37,987 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 06:39:37,987 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand 5 states. [2020-10-20 06:39:38,058 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 27 transitions. cyclomatic complexity: 8. Second operand 5 states. Result 34 states and 43 transitions. Complement of second has 8 states. [2020-10-20 06:39:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:39:38,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2020-10-20 06:39:38,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 4 letters. [2020-10-20 06:39:38,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:38,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 14 letters. Loop has 4 letters. [2020-10-20 06:39:38,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:38,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 8 letters. [2020-10-20 06:39:38,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:38,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2020-10-20 06:39:38,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:38,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 31 states and 39 transitions. [2020-10-20 06:39:38,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-20 06:39:38,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2020-10-20 06:39:38,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2020-10-20 06:39:38,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:39:38,067 INFO L691 BuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2020-10-20 06:39:38,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2020-10-20 06:39:38,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2020-10-20 06:39:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-20 06:39:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 35 transitions. [2020-10-20 06:39:38,071 INFO L714 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-20 06:39:38,071 INFO L594 BuchiCegarLoop]: Abstraction has 27 states and 35 transitions. [2020-10-20 06:39:38,071 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 06:39:38,071 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 35 transitions. [2020-10-20 06:39:38,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:39:38,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:39:38,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:39:38,074 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2020-10-20 06:39:38,074 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 06:39:38,074 INFO L794 eck$LassoCheckResult]: Stem: 839#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 833#L-1 havoc main_#res;havoc main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~ret18;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet15, main_#t~nondet16, main_#t~nondet17;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~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem14, test_fun_~x, test_fun_~y, test_fun_~z, 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_~z_ref~0.base, test_fun_~z_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~z := test_fun_#in~z;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 test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.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 write~int(test_fun_~z, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 834#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 851#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 850#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 849#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 846#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 840#L557-1 [2020-10-20 06:39:38,074 INFO L796 eck$LassoCheckResult]: Loop: 840#L557-1 assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 < 2147483647; 841#L557-3 assume !!test_fun_#t~short9;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem7;havoc test_fun_#t~mem6;call test_fun_#t~mem10 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem11 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4); 835#L558 assume !(test_fun_#t~mem10 < test_fun_#t~mem11);havoc test_fun_#t~mem11;havoc test_fun_#t~mem10;call test_fun_#t~mem13 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem13, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem13; 836#L558-2 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~short9 := test_fun_#t~mem6 < test_fun_#t~mem7; 840#L557-1 [2020-10-20 06:39:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:38,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849212, now seen corresponding path program 3 times [2020-10-20 06:39:38,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:38,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311536586] [2020-10-20 06:39:38,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:38,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:38,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:38,111 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:38,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:38,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1239449, now seen corresponding path program 1 times [2020-10-20 06:39:38,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:38,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201051194] [2020-10-20 06:39:38,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:38,118 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:38,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:38,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:38,125 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:38,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:38,127 INFO L82 PathProgramCache]: Analyzing trace with hash -322541356, now seen corresponding path program 4 times [2020-10-20 06:39:38,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:39:38,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339583592] [2020-10-20 06:39:38,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:39:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:38,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:39:38,173 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:39:38,178 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:39:38,371 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 67 [2020-10-20 06:39:39,497 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 182 DAG size of output: 143 [2020-10-20 06:39:39,834 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-20 06:39:39,838 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:39:39,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:39:39,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:39:39,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:39:39,839 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:39:39,839 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:39,839 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:39:39,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:39:39,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03-alloca-1.i_Iteration5_Lasso [2020-10-20 06:39:39,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:39:39,840 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:39:39,844 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 06:39:39,849 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 06:39:39,851 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 06:39:39,854 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 06:39:39,856 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 06:39:39,864 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 06:39:39,866 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 06:39:39,869 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 06:39:39,871 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 06:39:39,875 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 06:39:39,877 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 06:39:39,880 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 06:39:39,882 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 06:39:39,891 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 06:39:39,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:39:40,581 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 104 [2020-10-20 06:39:40,818 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-10-20 06:39:40,819 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 06:39:41,212 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-20 06:39:41,639 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-10-20 06:39:41,783 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:39:41,783 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 06:39:41,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:41,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:41,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:41,800 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 [2020-10-20 06:39:41,824 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 [2020-10-20 06:39:41,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:41,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:41,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:41,827 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 [2020-10-20 06:39:41,850 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 06:39:41,851 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:41,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:41,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:41,853 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) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:41,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:39:41,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:41,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:41,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:41,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:41,904 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 06:39:41,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:41,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:41,910 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) [2020-10-20 06:39:41,936 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 06:39:41,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:41,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:41,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:41,968 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:41,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:41,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:41,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:41,971 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:41,992 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 06:39:41,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:41,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:41,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:41,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:41,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:41,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:41,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:42,000 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:42,033 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 06:39:42,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:42,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:42,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:42,089 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 06:39:42,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:42,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:42,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:42,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,119 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 06:39:42,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,120 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:42,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:42,125 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,150 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 06:39:42,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:42,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:42,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:42,153 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,178 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 06:39:42,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:42,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:42,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:42,181 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,214 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 [2020-10-20 06:39:42,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:39:42,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:39:42,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:39:42,217 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,241 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 06:39:42,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:42,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:42,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,269 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 06:39:42,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:42,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:42,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,308 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 06:39:42,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:42,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:39:42,312 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:39:42,335 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 06:39:42,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:39:42,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:39:42,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,344 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,366 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 [2020-10-20 06:39:42,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:39:42,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:39:42,368 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-10-20 06:39:42,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:39:42,389 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-10-20 06:39:42,389 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-10-20 06:39:42,449 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:39:42,518 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-10-20 06:39:42,518 INFO L444 ModelExtractionUtils]: 37 out of 81 variables were initially zero. Simplification set additionally 41 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:39:42,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:39:42,523 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2020-10-20 06:39:42,523 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:39:42,524 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_4) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_4 + 4294967293 Supporting invariants [] [2020-10-20 06:39:42,749 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2020-10-20 06:39:42,751 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:39:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:39:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:42,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:39:42,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:39:42,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:39:42,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:39:42,806 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:39:42,888 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2020-10-20 06:39:42,890 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:39:42,895 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:39:42,895 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:39:42,895 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2020-10-20 06:39:42,917 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 06:39:42,918 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-10-20 06:39:42,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12 Second operand 5 states. [2020-10-20 06:39:42,954 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 35 transitions. cyclomatic complexity: 12. Second operand 5 states. Result 55 states and 71 transitions. Complement of second has 8 states. [2020-10-20 06:39:42,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 06:39:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 06:39:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-10-20 06:39:42,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 7 letters. Loop has 4 letters. [2020-10-20 06:39:42,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:42,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 11 letters. Loop has 4 letters. [2020-10-20 06:39:42,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:42,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 7 letters. Loop has 8 letters. [2020-10-20 06:39:42,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:39:42,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 71 transitions. [2020-10-20 06:39:42,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:42,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2020-10-20 06:39:42,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:39:42,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:39:42,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:39:42,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:39:42,959 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:42,959 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:42,960 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:39:42,960 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-10-20 06:39:42,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:39:42,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:39:42,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:39:42,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:39:42 BoogieIcfgContainer [2020-10-20 06:39:42,967 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:39:42,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:39:42,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:39:42,967 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:39:42,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:39:23" (3/4) ... [2020-10-20 06:39:42,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:39:42,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:39:42,972 INFO L168 Benchmark]: Toolchain (without parser) took 20489.64 ms. Allocated memory was 37.2 MB in the beginning and 129.5 MB in the end (delta: 92.3 MB). Free memory was 18.3 MB in the beginning and 85.6 MB in the end (delta: -67.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,973 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 34.1 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.74 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 17.4 MB in the beginning and 17.4 MB in the end (delta: -66.2 kB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.08 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 17.4 MB in the beginning and 29.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,975 INFO L168 Benchmark]: Boogie Preprocessor took 29.18 ms. Allocated memory is still 47.2 MB. Free memory was 29.3 MB in the beginning and 27.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,976 INFO L168 Benchmark]: RCFGBuilder took 410.62 ms. Allocated memory is still 47.2 MB. Free memory was 27.7 MB in the beginning and 26.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,977 INFO L168 Benchmark]: BuchiAutomizer took 19378.14 ms. Allocated memory was 47.2 MB in the beginning and 129.5 MB in the end (delta: 82.3 MB). Free memory was 26.0 MB in the beginning and 87.4 MB in the end (delta: -61.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:39:42,977 INFO L168 Benchmark]: Witness Printer took 3.66 ms. Allocated memory is still 129.5 MB. Free memory is still 85.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:39:42,981 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 34.1 MB. Free memory was 11.2 MB in the beginning and 11.2 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 594.74 ms. Allocated memory was 37.2 MB in the beginning and 45.6 MB in the end (delta: 8.4 MB). Free memory was 17.4 MB in the beginning and 17.4 MB in the end (delta: -66.2 kB). Peak memory consumption was 15.1 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 63.08 ms. Allocated memory was 45.6 MB in the beginning and 47.2 MB in the end (delta: 1.6 MB). Free memory was 17.4 MB in the beginning and 29.3 MB in the end (delta: -11.9 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 29.18 ms. Allocated memory is still 47.2 MB. Free memory was 29.3 MB in the beginning and 27.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 410.62 ms. Allocated memory is still 47.2 MB. Free memory was 27.7 MB in the beginning and 26.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 19378.14 ms. Allocated memory was 47.2 MB in the beginning and 129.5 MB in the end (delta: 82.3 MB). Free memory was 26.0 MB in the beginning and 87.4 MB in the end (delta: -61.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 14.3 GB. * Witness Printer took 3.66 ms. Allocated memory is still 129.5 MB. Free memory is still 85.6 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (1 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -4294967292 * unknown-#memory_int-unknown[x_ref][x_ref] + 4294967291 * z and consists of 6 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[x_ref][x_ref] + unknown-#memory_int-unknown[z_ref][z_ref] and consists of 4 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[x_ref][x_ref] + 4294967291 and consists of 5 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 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 19.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 18.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 27 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 25 SDslu, 11 SDs, 0 SdLazy, 61 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital1255 mio100 ax102 hnf99 lsp97 ukn26 mio100 lsp33 div100 bol102 ite100 ukn100 eq182 hnf88 smp97 dnf125 smp91 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 159ms VariablesStem: 15 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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...