./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/b.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 d098d694ac70f506ee7e05c2de50965e1598d96f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:01:02,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:01:02,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:01:02,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:01:02,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:01:02,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:01:02,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:01:02,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:01:02,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:01:02,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:01:02,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:01:02,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:01:02,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:01:02,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:01:02,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:01:02,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:01:02,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:01:02,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:01:02,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:01:02,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:01:02,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:01:02,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:01:02,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:01:02,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:01:02,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:01:02,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:01:02,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:01:02,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:01:02,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:01:02,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:01:02,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:01:02,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:01:02,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:01:02,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:01:02,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:01:02,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:01:02,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:01:02,261 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:01:02,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:01:02,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:01:02,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:01:02,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 03:01:02,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:01:02,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:01:02,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:01:02,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:01:02,300 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:01:02,300 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:01:02,301 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:01:02,301 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:01:02,301 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:01:02,301 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:01:02,303 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:01:02,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:01:02,303 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:01:02,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:01:02,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:01:02,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:01:02,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:01:02,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:01:02,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:01:02,305 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:01:02,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:01:02,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:01:02,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:01:02,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:01:02,307 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:01:02,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:01:02,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:01:02,308 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:01:02,309 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:01:02,310 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 -> d098d694ac70f506ee7e05c2de50965e1598d96f [2019-11-28 03:01:02,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:01:02,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:01:02,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:01:02,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:01:02,674 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:01:02,676 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2019-11-28 03:01:02,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a8a048e/0b1724f1475d4a109b1370e3c1414a30/FLAG06e5cf53d [2019-11-28 03:01:03,293 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:01:03,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.07-alloca.i [2019-11-28 03:01:03,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a8a048e/0b1724f1475d4a109b1370e3c1414a30/FLAG06e5cf53d [2019-11-28 03:01:03,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7a8a048e/0b1724f1475d4a109b1370e3c1414a30 [2019-11-28 03:01:03,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:01:03,598 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:01:03,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:03,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:01:03,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:01:03,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:03" (1/1) ... [2019-11-28 03:01:03,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f57c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:03, skipping insertion in model container [2019-11-28 03:01:03,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:01:03" (1/1) ... [2019-11-28 03:01:03,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:01:03,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:01:04,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:04,097 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:01:04,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:01:04,215 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:01:04,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04 WrapperNode [2019-11-28 03:01:04,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:01:04,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:04,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:01:04,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:01:04,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:01:04,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:01:04,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:01:04,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:01:04,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... [2019-11-28 03:01:04,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:01:04,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:01:04,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:01:04,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:01:04,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 03:01:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 03:01:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:01:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 03:01:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:01:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:01:04,718 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:01:04,718 INFO L297 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 03:01:04,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:04 BoogieIcfgContainer [2019-11-28 03:01:04,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:01:04,720 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:01:04,721 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:01:04,724 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:01:04,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:04,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:01:03" (1/3) ... [2019-11-28 03:01:04,727 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bbc8e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:04, skipping insertion in model container [2019-11-28 03:01:04,727 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:04,727 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:01:04" (2/3) ... [2019-11-28 03:01:04,727 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bbc8e3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:01:04, skipping insertion in model container [2019-11-28 03:01:04,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:01:04,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:04" (3/3) ... [2019-11-28 03:01:04,729 INFO L371 chiAutomizerObserver]: Analyzing ICFG b.07-alloca.i [2019-11-28 03:01:04,779 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:01:04,779 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:01:04,780 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:01:04,780 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:01:04,780 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:01:04,780 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:01:04,780 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:01:04,781 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:01:04,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-28 03:01:04,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:04,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:04,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:04,819 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:01:04,819 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:04,819 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:01:04,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-28 03:01:04,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:04,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:04,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:04,821 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 03:01:04,822 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:04,827 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 [2019-11-28 03:01:04,828 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_~z_ref~0.base, test_fun_~z_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_~y_ref~0.base, test_fun_~y_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~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem12; 6#L557-5true [2019-11-28 03:01:04,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:04,835 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 03:01:04,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:04,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139218276] [2019-11-28 03:01:04,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:05,049 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:05,050 INFO L82 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2019-11-28 03:01:05,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:05,052 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350766662] [2019-11-28 03:01:05,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:05,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:05,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:05,123 INFO L82 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2019-11-28 03:01:05,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:05,123 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085115349] [2019-11-28 03:01:05,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:05,262 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:05,486 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-11-28 03:01:06,352 WARN L192 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 103 [2019-11-28 03:01:06,734 WARN L192 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-11-28 03:01:06,747 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:01:06,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:01:06,748 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:01:06,749 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:01:06,749 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:01:06,749 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:06,750 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:01:06,750 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:01:06,750 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.07-alloca.i_Iteration1_Lasso [2019-11-28 03:01:06,750 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:01:06,751 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:01:06,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:06,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,529 WARN L192 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 91 [2019-11-28 03:01:07,728 WARN L192 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2019-11-28 03:01:07,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:07,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:01:08,459 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:01:08,466 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) [2019-11-28 03:01:08,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:08,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:08,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:08,570 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 [2019-11-28 03:01:08,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:08,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,595 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:08,609 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:08,626 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:08,635 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:08,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:08,656 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,670 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:08,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:08,674 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:01:08,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:01:08,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:01:08,691 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:01:08,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:08,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,717 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) [2019-11-28 03:01:08,726 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 [2019-11-28 03:01:08,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:08,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:08,739 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:01:08,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:01:08,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:01:08,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:01:08,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:01:08,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 03:01:08,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 03:01:08,785 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:01:08,844 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-11-28 03:01:08,844 INFO L444 ModelExtractionUtils]: 14 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:01:08,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:01:08,920 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-28 03:01:08,920 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:01:08,921 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)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_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 + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2019-11-28 03:01:09,179 INFO L297 tatePredicateManager]: 41 out of 41 supporting invariants were superfluous and have been removed [2019-11-28 03:01:09,195 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:09,196 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-28 03:01:09,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:09,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:01:09,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:09,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-28 03:01:09,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:01:09,297 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:09,341 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:01:09,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:09,401 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 [2019-11-28 03:01:09,403 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-11-28 03:01:09,498 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 38 states and 44 transitions. Complement of second has 9 states. [2019-11-28 03:01:09,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 03:01:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:01:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2019-11-28 03:01:09,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 03:01:09,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:09,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 03:01:09,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:09,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 03:01:09,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:01:09,506 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 44 transitions. [2019-11-28 03:01:09,509 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:09,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 15 transitions. [2019-11-28 03:01:09,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 03:01:09,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 03:01:09,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2019-11-28 03:01:09,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:01:09,517 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2019-11-28 03:01:09,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2019-11-28 03:01:09,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2019-11-28 03:01:09,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 03:01:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-11-28 03:01:09,546 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:01:09,546 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 03:01:09,547 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:01:09,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-11-28 03:01:09,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 03:01:09,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:01:09,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:01:09,548 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:01:09,548 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 03:01:09,548 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_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2019-11-28 03:01:09,548 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~short10;havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~mem9;call test_fun_#t~mem11 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem11;call test_fun_#t~mem12 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem12 - 1, test_fun_~y_ref~0.base, test_fun_~y_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_~z_ref~0.base, test_fun_~z_ref~0.offset, 4);test_fun_#t~short10 := test_fun_#t~mem6 > test_fun_#t~mem7; 262#L557-1 [2019-11-28 03:01:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:09,549 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2019-11-28 03:01:09,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:09,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379595384] [2019-11-28 03:01:09,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:01:09,604 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:01:09,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:01:09,605 INFO L82 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2019-11-28 03:01:09,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:01:09,605 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422118321] [2019-11-28 03:01:09,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:01:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:01:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:01:09,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422118321] [2019-11-28 03:01:09,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:01:09,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 03:01:09,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567532844] [2019-11-28 03:01:09,657 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:01:09,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:01:09,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:01:09,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:01:09,662 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 03:01:09,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:01:09,680 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-11-28 03:01:09,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:01:09,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2019-11-28 03:01:09,682 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:09,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-11-28 03:01:09,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:01:09,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:01:09,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:01:09,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:01:09,684 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:09,684 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:09,684 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:01:09,684 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:01:09,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:01:09,684 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:01:09,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:01:09,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:01:09 BoogieIcfgContainer [2019-11-28 03:01:09,692 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:01:09,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:01:09,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:01:09,694 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:01:09,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:01:04" (3/4) ... [2019-11-28 03:01:09,699 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:01:09,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:01:09,701 INFO L168 Benchmark]: Toolchain (without parser) took 6102.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 952.3 MB in the beginning and 936.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:09,702 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:09,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:09,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:09,706 INFO L168 Benchmark]: Boogie Preprocessor took 25.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:09,707 INFO L168 Benchmark]: RCFGBuilder took 426.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:09,707 INFO L168 Benchmark]: BuchiAutomizer took 4971.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 936.0 MB in the end (delta: 157.6 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:01:09,708 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 1.2 GB. Free memory is still 936.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:01:09,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 617.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 426.72 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4971.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.7 MB). Free memory was 1.1 GB in the beginning and 936.0 MB in the end (delta: 157.6 MB). Peak memory consumption was 227.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.49 ms. Allocated memory is still 1.2 GB. Free memory is still 936.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 -1 * unknown-#memory_int-unknown[z_ref][z_ref] + unknown-#memory_int-unknown[y_ref][y_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 4.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. 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: inital423 mio100 ax104 hnf100 lsp93 ukn52 mio100 lsp33 div100 bol100 ite100 ukn100 eq197 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms 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...