./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5b7c2858314131c244395f9ab37913061eb343a6 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:38:23,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:38:23,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:38:23,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:38:23,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:38:23,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:38:23,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:38:23,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:38:23,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:38:23,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:38:23,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:38:23,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:38:23,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:38:23,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:38:23,220 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:38:23,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:38:23,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:38:23,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:38:23,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:38:23,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:38:23,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:38:23,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:38:23,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:38:23,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:38:23,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:38:23,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:38:23,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:38:23,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:38:23,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:38:23,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:38:23,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:38:23,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:38:23,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:38:23,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:38:23,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:38:23,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:38:23,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:38:23,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:38:23,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:38:23,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:38:23,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:38:23,271 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:38:23,318 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:38:23,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:38:23,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:38:23,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:38:23,322 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:38:23,323 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:38:23,323 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:38:23,323 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:38:23,323 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:38:23,324 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:38:23,325 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:38:23,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:38:23,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:38:23,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:38:23,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:38:23,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:38:23,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:38:23,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:38:23,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:38:23,329 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:38:23,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:38:23,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:38:23,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:38:23,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:38:23,330 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:38:23,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:38:23,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:38:23,331 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:38:23,331 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:38:23,332 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:38:23,332 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 -> 5b7c2858314131c244395f9ab37913061eb343a6 [2020-10-20 06:38:23,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:38:23,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:38:23,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:38:23,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:38:23,579 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:38:23,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2020-10-20 06:38:23,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b297de5/7d70e82be1594481b7be72a1a051a83a/FLAG665859a43 [2020-10-20 06:38:24,199 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:38:24,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/a.07-alloca.i [2020-10-20 06:38:24,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b297de5/7d70e82be1594481b7be72a1a051a83a/FLAG665859a43 [2020-10-20 06:38:24,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73b297de5/7d70e82be1594481b7be72a1a051a83a [2020-10-20 06:38:24,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:38:24,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:38:24,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:24,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:38:24,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:38:24,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:24" (1/1) ... [2020-10-20 06:38:24,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac7fa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:24, skipping insertion in model container [2020-10-20 06:38:24,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:38:24" (1/1) ... [2020-10-20 06:38:24,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:38:24,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:38:24,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:24,983 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:38:25,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:38:25,119 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:38:25,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25 WrapperNode [2020-10-20 06:38:25,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:38:25,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:25,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:38:25,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:38:25,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:38:25,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:38:25,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:38:25,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:38:25,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... [2020-10-20 06:38:25,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:38:25,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:38:25,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:38:25,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:38:25,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:38:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:38:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:38:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:38:25,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:38:25,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:38:25,597 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:38:25,597 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:38:25,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:25 BoogieIcfgContainer [2020-10-20 06:38:25,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:38:25,600 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:38:25,600 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:38:25,604 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:38:25,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:25,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:38:24" (1/3) ... [2020-10-20 06:38:25,606 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b98d3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:25, skipping insertion in model container [2020-10-20 06:38:25,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:25,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:38:25" (2/3) ... [2020-10-20 06:38:25,607 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b98d3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:38:25, skipping insertion in model container [2020-10-20 06:38:25,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:38:25,607 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:25" (3/3) ... [2020-10-20 06:38:25,609 INFO L373 chiAutomizerObserver]: Analyzing ICFG a.07-alloca.i [2020-10-20 06:38:25,657 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:38:25,657 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:38:25,657 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:38:25,658 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:38:25,658 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:38:25,658 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:38:25,658 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:38:25,658 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:38:25,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:38:25,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:25,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:25,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:25,697 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:25,697 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:25,697 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:38:25,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-20 06:38:25,698 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:25,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:25,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:25,699 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:38:25,699 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:25,705 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;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~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, 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); 6#L557-5true [2020-10-20 06:38:25,705 INFO L796 eck$LassoCheckResult]: Loop: 6#L557-5true call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 8#L557-1true assume test_fun_#t~short10;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem9 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem8 > test_fun_#t~mem9; 12#L557-3true assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem12; 6#L557-5true [2020-10-20 06:38:25,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:25,712 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 06:38:25,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:25,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202648745] [2020-10-20 06:38:25,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:25,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:25,938 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:25,965 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:25,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:25,967 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2020-10-20 06:38:25,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:25,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870965784] [2020-10-20 06:38:25,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:25,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:26,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:26,004 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:26,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:26,007 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2020-10-20 06:38:26,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:26,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198139242] [2020-10-20 06:38:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:26,095 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:26,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:26,134 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:26,363 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2020-10-20 06:38:27,248 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-10-20 06:38:27,666 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-20 06:38:27,682 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:38:27,682 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:38:27,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:38:27,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:38:27,683 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:38:27,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:27,684 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:38:27,684 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:38:27,684 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07-alloca.i_Iteration1_Lasso [2020-10-20 06:38:27,684 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:38:27,684 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:38:27,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:27,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,365 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2020-10-20 06:38:28,555 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2020-10-20 06:38:28,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:38:28,899 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-10-20 06:38:29,258 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:38:29,264 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 06:38:29,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:29,296 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:29,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:29,370 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:29,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:29,428 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 06:38:29,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,499 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:29,499 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:29,503 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) [2020-10-20 06:38:29,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:38:29,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:38:29,540 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:38:29,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:38:29,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,576 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:29,576 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:29,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:29,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:29,623 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:38:29,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:38:29,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:38:29,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:38:29,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:38:29,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:38:29,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:38:29,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:38:29,722 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 06:38:29,722 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:38:29,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:38:29,765 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:38:29,765 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:38:29,766 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, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0.base) ULTIMATE.start_test_fun_~z_ref~0.offset)_1 Supporting invariants [] [2020-10-20 06:38:30,122 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2020-10-20 06:38:30,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:38:30,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:38:30,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:30,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:38:30,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:38:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:30,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:38:30,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:38:30,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:30,243 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:30,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:30,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 06:38:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:38:30,342 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 06:38:30,344 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2020-10-20 06:38:30,432 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 38 states and 44 transitions. Complement of second has 9 states. [2020-10-20 06:38:30,433 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 06:38:30,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 06:38:30,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2020-10-20 06:38:30,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2020-10-20 06:38:30,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:30,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2020-10-20 06:38:30,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:30,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2020-10-20 06:38:30,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:38:30,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2020-10-20 06:38:30,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:30,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2020-10-20 06:38:30,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-10-20 06:38:30,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-10-20 06:38:30,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2020-10-20 06:38:30,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 06:38:30,452 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2020-10-20 06:38:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2020-10-20 06:38:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-10-20 06:38:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-20 06:38:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2020-10-20 06:38:30,483 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-20 06:38:30,483 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2020-10-20 06:38:30,483 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:38:30,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2020-10-20 06:38:30,484 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 06:38:30,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:38:30,485 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:38:30,485 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-20 06:38:30,485 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 06:38:30,486 INFO L794 eck$LassoCheckResult]: Stem: 260#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 258#L-1 havoc main_#res;havoc main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~ret17;test_fun_#in~x, test_fun_#in~y, test_fun_#in~z := main_#t~nondet14, main_#t~nondet15, main_#t~nondet16;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~mem11, test_fun_#t~mem12, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~short10, test_fun_#t~mem13, 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); 259#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2020-10-20 06:38:30,486 INFO L796 eck$LassoCheckResult]: Loop: 262#L557-1 assume !test_fun_#t~short10; 265#L557-3 assume !!test_fun_#t~short10;havoc test_fun_#t~mem8;havoc test_fun_#t~mem7;havoc test_fun_#t~mem9;havoc test_fun_#t~short10;havoc test_fun_#t~mem6;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem11, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem12, test_fun_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);havoc test_fun_#t~mem12; 261#L557-5 call test_fun_#t~mem6 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2020-10-20 06:38:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:30,486 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-20 06:38:30,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:30,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779085501] [2020-10-20 06:38:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:30,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:38:30,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:38:30,573 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:38:30,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:38:30,574 INFO L82 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2020-10-20 06:38:30,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:38:30,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798290478] [2020-10-20 06:38:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:38:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:38:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:38:30,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798290478] [2020-10-20 06:38:30,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:38:30,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:38:30,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865339615] [2020-10-20 06:38:30,628 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-10-20 06:38:30,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:38:30,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:38:30,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:38:30,634 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-10-20 06:38:30,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:38:30,652 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2020-10-20 06:38:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:38:30,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2020-10-20 06:38:30,654 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:38:30,655 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2020-10-20 06:38:30,655 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:38:30,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:38:30,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:38:30,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:38:30,655 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:30,655 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:30,655 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:38:30,655 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:38:30,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:38:30,656 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:38:30,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:38:30,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:38:30 BoogieIcfgContainer [2020-10-20 06:38:30,666 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:38:30,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:38:30,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:38:30,667 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:38:30,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:38:25" (3/4) ... [2020-10-20 06:38:30,672 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:38:30,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:38:30,676 INFO L168 Benchmark]: Toolchain (without parser) took 6137.18 ms. Allocated memory was 35.1 MB in the beginning and 72.9 MB in the end (delta: 37.7 MB). Free memory was 10.8 MB in the beginning and 43.4 MB in the end (delta: -32.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,677 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory is still 19.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:38:30,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.73 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.0 MB in the beginning and 16.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.87 ms. Allocated memory is still 43.5 MB. Free memory was 16.0 MB in the beginning and 26.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,687 INFO L168 Benchmark]: Boogie Preprocessor took 26.55 ms. Allocated memory is still 43.5 MB. Free memory was 26.4 MB in the beginning and 24.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,688 INFO L168 Benchmark]: RCFGBuilder took 393.09 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 24.9 MB in the beginning and 23.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,689 INFO L168 Benchmark]: BuchiAutomizer took 5066.43 ms. Allocated memory was 45.1 MB in the beginning and 72.9 MB in the end (delta: 27.8 MB). Free memory was 23.1 MB in the beginning and 44.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,689 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 72.9 MB. Free memory was 44.3 MB in the beginning and 43.4 MB in the end (delta: 849.3 kB). Peak memory consumption was 849.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:38:30,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory is still 19.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 577.73 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.0 MB in the beginning and 16.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 57.87 ms. Allocated memory is still 43.5 MB. Free memory was 16.0 MB in the beginning and 26.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.55 ms. Allocated memory is still 43.5 MB. Free memory was 26.4 MB in the beginning and 24.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 393.09 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 24.9 MB in the beginning and 23.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 5066.43 ms. Allocated memory was 45.1 MB in the beginning and 72.9 MB in the end (delta: 27.8 MB). Free memory was 23.1 MB in the beginning and 44.3 MB in the end (delta: -21.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * Witness Printer took 5.35 ms. Allocated memory is still 72.9 MB. Free memory was 44.3 MB in the beginning and 43.4 MB in the end (delta: 849.3 kB). Peak memory consumption was 849.3 kB. 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 10 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital430 mio100 ax104 hnf100 lsp93 ukn52 mio100 lsp34 div100 bol100 ite100 ukn100 eq184 hnf88 smp92 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 15ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...