./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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_1.5.800.v20200727-1323.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/array-memsafety/stroeder1-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:26:25,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:26:25,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:26:25,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:26:25,232 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:26:25,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:26:25,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:26:25,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:26:25,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:26:25,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:26:25,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:26:25,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:26:25,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:26:25,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:26:25,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:26:25,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:26:25,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:26:25,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:26:25,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:26:25,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:26:25,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:26:25,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:26:25,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:26:25,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:26:25,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:26:25,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:26:25,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:26:25,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:26:25,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:26:25,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:26:25,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:26:25,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:26:25,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:26:25,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:26:25,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:26:25,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:26:25,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:26:25,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:26:25,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:26:25,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:26:25,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:26:25,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:26:25,324 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:26:25,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:26:25,324 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:26:25,325 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:26:25,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:26:25,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:26:25,326 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:26:25,326 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:26:25,326 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:26:25,326 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:26:25,327 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:26:25,327 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:26:25,328 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:26:25,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:26:25,328 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:26:25,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:26:25,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:26:25,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:26:25,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:26:25,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:26:25,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:26:25,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:26:25,329 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:26:25,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:26:25,330 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:26:25,331 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:26:25,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:26:25,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:26:25,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:26:25,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:26:25,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:26:25,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:26:25,333 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:26:25,333 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ecc590057ed2a75208183cfd6234616268fa2b1af2dc90ae740756ef7d3d489 [2021-12-15 17:26:25,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:26:25,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:26:25,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:26:25,591 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:26:25,591 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:26:25,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2021-12-15 17:26:25,653 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0107d4b36/271265f226654462b76ff45a312d938d/FLAGe65777e2f [2021-12-15 17:26:26,060 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:26:26,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2021-12-15 17:26:26,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0107d4b36/271265f226654462b76ff45a312d938d/FLAGe65777e2f [2021-12-15 17:26:26,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0107d4b36/271265f226654462b76ff45a312d938d [2021-12-15 17:26:26,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:26:26,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:26:26,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:26,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:26:26,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:26:26,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6479e36c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26, skipping insertion in model container [2021-12-15 17:26:26,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:26:26,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:26:26,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:26,748 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:26:26,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:26,810 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:26:26,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26 WrapperNode [2021-12-15 17:26:26,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:26,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:26,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:26:26,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:26:26,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,860 INFO L137 Inliner]: procedures = 116, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2021-12-15 17:26:26,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:26,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:26:26,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:26:26,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:26:26,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:26:26,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:26:26,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:26:26,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:26:26,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (1/1) ... [2021-12-15 17:26:26,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:26,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:26,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:26:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:26:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:26:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:26:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:26:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:26:26,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:26:27,074 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:26:27,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:26:27,180 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:26:27,185 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:26:27,189 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:26:27,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:27 BoogieIcfgContainer [2021-12-15 17:26:27,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:26:27,192 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:26:27,195 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:26:27,198 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:26:27,198 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:27,198 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:26:26" (1/3) ... [2021-12-15 17:26:27,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e571b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:27, skipping insertion in model container [2021-12-15 17:26:27,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:27,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:26" (2/3) ... [2021-12-15 17:26:27,200 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e571b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:27, skipping insertion in model container [2021-12-15 17:26:27,200 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:27,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:27" (3/3) ... [2021-12-15 17:26:27,201 INFO L388 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-1.i [2021-12-15 17:26:27,235 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:26:27,235 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:26:27,235 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:26:27,235 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:26:27,235 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:26:27,236 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:26:27,236 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:26:27,236 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:26:27,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:27,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-15 17:26:27,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:27,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:27,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:26:27,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:27,267 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:26:27,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:27,272 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-15 17:26:27,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:27,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:27,272 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-15 17:26:27,272 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:27,278 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~1#1, main_#t~ret8#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 10#L526true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 4#L526-2true call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~1#1 := 0; 5#L531-3true [2021-12-15 17:26:27,279 INFO L793 eck$LassoCheckResult]: Loop: 5#L531-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet7#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet7#1; 11#L531-2true main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5#L531-3true [2021-12-15 17:26:27,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:27,289 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-15 17:26:27,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:27,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533124247] [2021-12-15 17:26:27,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:27,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:27,396 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:27,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:27,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:27,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-15 17:26:27,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:27,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851986974] [2021-12-15 17:26:27,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:27,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:27,462 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:27,478 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:27,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:27,480 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-15 17:26:27,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:27,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309000614] [2021-12-15 17:26:27,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:27,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:27,511 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:27,542 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:27,808 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:27,808 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:27,808 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:27,808 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:27,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:27,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:27,809 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:27,809 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:27,809 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration1_Lasso [2021-12-15 17:26:27,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:27,810 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:27,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:27,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:28,236 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:28,239 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:28,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:26:28,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:28,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:28,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:28,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:28,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:28,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:28,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:28,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:28,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:28,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:28,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:28,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:26:28,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:28,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:28,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:28,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:28,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:28,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:28,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:28,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:28,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:26:28,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:28,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:28,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:28,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:28,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:28,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:28,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:28,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:28,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:28,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:26:28,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:28,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:28,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:28,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:28,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:28,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:28,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:28,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:28,457 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:28,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:28,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,485 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:26:28,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:28,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:28,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:28,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:28,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:28,498 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:28,498 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:28,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:28,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:28,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,534 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:28,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:28,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:28,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:28,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:28,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:28,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:28,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:26:28,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:28,606 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-15 17:26:28,606 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-15 17:26:28,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:28,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:28,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:28,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:26:28,657 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:28,666 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:26:28,666 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:28,667 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~array_size~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~array_size~0#1 Supporting invariants [] [2021-12-15 17:26:28,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-15 17:26:28,690 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-12-15 17:26:28,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:28,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:26:28,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:28,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:26:28,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:28,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:26:28,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:28,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 7 states. [2021-12-15 17:26:28,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-12-15 17:26:28,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-15 17:26:28,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:28,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-15 17:26:28,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:28,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-15 17:26:28,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:28,917 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-12-15 17:26:28,919 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:26:28,921 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 10 states and 13 transitions. [2021-12-15 17:26:28,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-15 17:26:28,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-15 17:26:28,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-12-15 17:26:28,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:28,923 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-15 17:26:28,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-12-15 17:26:28,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-12-15 17:26:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-12-15 17:26:28,939 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-15 17:26:28,940 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-12-15 17:26:28,940 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:26:28,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-12-15 17:26:28,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:26:28,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:28,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:28,941 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-15 17:26:28,941 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:28,941 INFO L791 eck$LassoCheckResult]: Stem: 108#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 109#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~1#1, main_#t~ret8#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 110#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 107#L526-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~1#1 := 0; 103#L531-3 assume !(main_~i~1#1 < main_~array_size~0#1); 105#L531-4 assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 111#L517-3 [2021-12-15 17:26:28,942 INFO L793 eck$LassoCheckResult]: Loop: 111#L517-3 assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset;call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_~sum~0#1 := sumOfThirdBytes_~sum~0#1 + sumOfThirdBytes_#t~mem3#1;havoc sumOfThirdBytes_#t~mem3#1; 112#L517-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 111#L517-3 [2021-12-15 17:26:28,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:28,942 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-15 17:26:28,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:28,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642678094] [2021-12-15 17:26:28,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:28,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:28,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:28,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642678094] [2021-12-15 17:26:28,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642678094] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:28,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:28,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:26:28,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639052652] [2021-12-15 17:26:28,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:28,998 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:26:28,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:28,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2021-12-15 17:26:28,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:28,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80419211] [2021-12-15 17:26:29,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:29,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,005 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:29,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:29,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 17:26:29,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 17:26:29,080 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:29,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:29,103 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-12-15 17:26:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 17:26:29,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-12-15 17:26:29,106 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:26:29,106 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-12-15 17:26:29,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-15 17:26:29,107 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-12-15 17:26:29,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-12-15 17:26:29,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:29,107 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-12-15 17:26:29,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-12-15 17:26:29,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-12-15 17:26:29,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:29,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-12-15 17:26:29,110 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-15 17:26:29,110 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-15 17:26:29,110 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:26:29,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-12-15 17:26:29,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:26:29,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:29,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:29,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:29,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:29,113 INFO L791 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 137#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~1#1, main_#t~ret8#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 138#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 131#L526-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~1#1 := 0; 132#L531-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet7#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet7#1; 133#L531-2 main_#t~post6#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 134#L531-3 assume !(main_~i~1#1 < main_~array_size~0#1); 135#L531-4 assume { :begin_inline_sumOfThirdBytes } true;sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset, sumOfThirdBytes_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sumOfThirdBytes_#res#1;havoc sumOfThirdBytes_#t~mem3#1, sumOfThirdBytes_#t~post2#1, sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset, sumOfThirdBytes_~array_size#1, sumOfThirdBytes_~i~0#1, sumOfThirdBytes_~sum~0#1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset := sumOfThirdBytes_#in~numbers#1.base, sumOfThirdBytes_#in~numbers#1.offset;sumOfThirdBytes_~array_size#1 := sumOfThirdBytes_#in~array_size#1;havoc sumOfThirdBytes_~i~0#1;havoc sumOfThirdBytes_~sum~0#1;havoc sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset;sumOfThirdBytes_~sum~0#1 := 0;sumOfThirdBytes_~i~0#1 := 0; 139#L517-3 [2021-12-15 17:26:29,114 INFO L793 eck$LassoCheckResult]: Loop: 139#L517-3 assume !!(sumOfThirdBytes_~i~0#1 < sumOfThirdBytes_~array_size#1);sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~#numbers#1.base, sumOfThirdBytes_~#numbers#1.offset + 4 * sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset := sumOfThirdBytes_~p~0#1.base, 2 + sumOfThirdBytes_~p~0#1.offset;call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_~sum~0#1 := sumOfThirdBytes_~sum~0#1 + sumOfThirdBytes_#t~mem3#1;havoc sumOfThirdBytes_#t~mem3#1; 140#L517-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 139#L517-3 [2021-12-15 17:26:29,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-12-15 17:26:29,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:29,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328312315] [2021-12-15 17:26:29,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:29,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,150 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,162 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:29,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:29,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2021-12-15 17:26:29,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:29,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942488961] [2021-12-15 17:26:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:29,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,168 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,171 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:29,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:29,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2021-12-15 17:26:29,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:29,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166018757] [2021-12-15 17:26:29,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:29,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,193 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:29,215 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:29,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:29,614 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:29,614 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:29,614 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:29,614 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:29,614 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:29,614 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:29,614 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:29,614 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:29,614 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration3_Lasso [2021-12-15 17:26:29,615 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:29,615 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:29,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:29,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:30,046 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:30,046 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:30,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,048 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:30,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:30,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:30,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:26:30,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,097 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,098 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:26:30,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:30,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:30,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:30,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,132 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:26:30,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,184 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:26:30,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:26:30,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:30,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:30,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:30,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,267 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:26:30,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,275 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:30,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:30,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:30,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,293 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:26:30,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,326 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:26:30,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-15 17:26:30,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,354 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:26:30,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:30,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:30,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:30,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,384 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:26:30,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,422 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:26:30,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,435 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-15 17:26:30,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,466 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:26:30,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,476 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,496 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:26:30,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,506 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,506 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,553 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:26:30,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,598 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-15 17:26:30,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,599 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:26:30,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:30,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:30,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:30,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,625 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:26:30,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:30,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:26:30,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,653 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:26:30,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:30,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:30,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:30,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:30,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:30,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:30,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:30,681 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:30,707 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-15 17:26:30,708 INFO L444 ModelExtractionUtils]: 11 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-12-15 17:26:30,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,712 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,720 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:30,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:26:30,747 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:26:30,748 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:30,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2, ULTIMATE.start_sumOfThirdBytes_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 - 2*ULTIMATE.start_sumOfThirdBytes_~i~0#1 Supporting invariants [-2*ULTIMATE.start_sumOfThirdBytes_~array_size#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 >= 0] [2021-12-15 17:26:30,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,783 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-12-15 17:26:30,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:30,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-15 17:26:30,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:30,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-15 17:26:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:30,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-15 17:26:30,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:30,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:30,991 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:26:30,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:31,026 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 6 states. [2021-12-15 17:26:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:31,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-12-15 17:26:31,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-15 17:26:31,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:31,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-15 17:26:31,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:31,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-15 17:26:31,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:31,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-12-15 17:26:31,029 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:26:31,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-12-15 17:26:31,030 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:26:31,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:26:31,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:26:31,030 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:31,030 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:26:31,030 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:26:31,030 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:26:31,030 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:26:31,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:26:31,030 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:26:31,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:26:31,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:26:31 BoogieIcfgContainer [2021-12-15 17:26:31,035 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:26:31,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:26:31,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:26:31,035 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:26:31,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:27" (3/4) ... [2021-12-15 17:26:31,037 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:26:31,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:26:31,038 INFO L158 Benchmark]: Toolchain (without parser) took 4628.83ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 81.7MB in the beginning and 112.0MB in the end (delta: -30.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:31,038 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:31,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.84ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 86.5MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 17:26:31,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.97ms. Allocated memory is still 117.4MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:26:31,039 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:31,040 INFO L158 Benchmark]: RCFGBuilder took 298.00ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 73.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:26:31,040 INFO L158 Benchmark]: BuchiAutomizer took 3842.94ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 73.3MB in the beginning and 112.0MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:31,040 INFO L158 Benchmark]: Witness Printer took 2.05ms. Allocated memory is still 146.8MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:31,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 32.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.84ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 86.5MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.97ms. Allocated memory is still 117.4MB. Free memory was 86.5MB in the beginning and 84.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 83.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.00ms. Allocated memory is still 117.4MB. Free memory was 83.2MB in the beginning and 73.3MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3842.94ms. Allocated memory was 117.4MB in the beginning and 146.8MB in the end (delta: 29.4MB). Free memory was 73.3MB in the beginning and 112.0MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.05ms. Allocated memory is still 146.8MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + array_size and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))] + -2 * i and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 32 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 23 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital127 mio100 ax114 hnf99 lsp81 ukn85 mio100 lsp63 div133 bol100 ite100 ukn100 eq163 hnf80 smp93 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 3 VariablesLoop: 2 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! [2021-12-15 17:26:31,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE