./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/stroeder2-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 eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 10:17:24,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 10:17:24,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 10:17:24,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 10:17:24,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 10:17:24,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 10:17:24,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 10:17:24,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 10:17:24,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 10:17:24,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 10:17:24,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 10:17:24,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 10:17:24,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 10:17:24,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 10:17:24,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 10:17:24,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 10:17:24,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 10:17:24,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 10:17:24,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 10:17:24,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 10:17:24,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 10:17:24,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 10:17:24,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 10:17:24,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 10:17:24,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 10:17:24,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 10:17:24,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 10:17:24,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 10:17:24,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 10:17:24,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 10:17:24,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 10:17:24,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 10:17:24,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 10:17:24,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 10:17:24,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 10:17:24,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 10:17:24,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 10:17:24,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 10:17:24,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 10:17:24,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 10:17:24,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 10:17:24,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 10:17:24,937 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 10:17:24,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 10:17:24,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 10:17:24,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 10:17:24,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 10:17:24,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 10:17:24,939 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 10:17:24,939 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 10:17:24,939 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 10:17:24,939 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 10:17:24,940 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 10:17:24,940 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 10:17:24,940 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 10:17:24,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 10:17:24,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 10:17:24,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 10:17:24,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 10:17:24,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 10:17:24,942 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 10:17:24,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 10:17:24,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 10:17:24,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 10:17:24,943 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 10:17:24,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 10:17:24,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 10:17:24,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 10:17:24,944 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 10:17:24,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb1b14e8511764ce20ab6a88d1bf2bef8398fca052e797a3c06b53051dc2f2a5 [2021-12-16 10:17:25,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 10:17:25,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 10:17:25,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 10:17:25,147 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 10:17:25,148 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 10:17:25,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2021-12-16 10:17:25,194 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f027f10/e5025c3d09ff45b59911dc86793a2242/FLAG0af1221ed [2021-12-16 10:17:25,514 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 10:17:25,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2021-12-16 10:17:25,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f027f10/e5025c3d09ff45b59911dc86793a2242/FLAG0af1221ed [2021-12-16 10:17:25,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1f027f10/e5025c3d09ff45b59911dc86793a2242 [2021-12-16 10:17:25,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 10:17:25,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 10:17:25,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 10:17:25,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 10:17:25,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 10:17:25,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:17:25" (1/1) ... [2021-12-16 10:17:25,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a78f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:25, skipping insertion in model container [2021-12-16 10:17:25,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:17:25" (1/1) ... [2021-12-16 10:17:25,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 10:17:25,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 10:17:26,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:17:26,169 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 10:17:26,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:17:26,246 INFO L208 MainTranslator]: Completed translation [2021-12-16 10:17:26,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26 WrapperNode [2021-12-16 10:17:26,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 10:17:26,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 10:17:26,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 10:17:26,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 10:17:26,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,286 INFO L137 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2021-12-16 10:17:26,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 10:17:26,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 10:17:26,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 10:17:26,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 10:17:26,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 10:17:26,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 10:17:26,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 10:17:26,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 10:17:26,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (1/1) ... [2021-12-16 10:17:26,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:26,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:26,387 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) [2021-12-16 10:17:26,405 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 [2021-12-16 10:17:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 10:17:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 10:17:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 10:17:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 10:17:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 10:17:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 10:17:26,513 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 10:17:26,514 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 10:17:26,593 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 10:17:26,596 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 10:17:26,597 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-16 10:17:26,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:26 BoogieIcfgContainer [2021-12-16 10:17:26,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 10:17:26,599 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 10:17:26,599 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 10:17:26,601 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 10:17:26,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:26,602 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 10:17:25" (1/3) ... [2021-12-16 10:17:26,603 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dceb936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:17:26, skipping insertion in model container [2021-12-16 10:17:26,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:26,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:26" (2/3) ... [2021-12-16 10:17:26,603 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2dceb936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:17:26, skipping insertion in model container [2021-12-16 10:17:26,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:26,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:26" (3/3) ... [2021-12-16 10:17:26,604 INFO L388 chiAutomizerObserver]: Analyzing ICFG stroeder2-alloca-1.i [2021-12-16 10:17:26,649 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 10:17:26,649 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 10:17:26,649 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 10:17:26,649 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 10:17:26,649 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 10:17:26,649 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 10:17:26,649 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 10:17:26,650 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 10:17:26,658 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-12-16 10:17:26,669 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-16 10:17:26,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:26,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:26,673 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-16 10:17:26,673 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:26,673 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 10:17:26,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-12-16 10:17:26,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-16 10:17:26,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:26,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:26,674 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-16 10:17:26,675 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:26,679 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 9#L529true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 17#L529-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 3#L534-3true [2021-12-16 10:17:26,679 INFO L793 eck$LassoCheckResult]: Loop: 3#L534-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 12#L534-2true main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3#L534-3true [2021-12-16 10:17:26,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:26,682 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-12-16 10:17:26,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:26,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872897947] [2021-12-16 10:17:26,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:26,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:26,771 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:26,801 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:26,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:26,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-12-16 10:17:26,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:26,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999401435] [2021-12-16 10:17:26,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:26,822 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:26,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:26,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:26,831 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-12-16 10:17:26,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:26,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779500171] [2021-12-16 10:17:26,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:26,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:26,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:26,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:27,121 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:27,121 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:27,122 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:27,122 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:27,122 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:27,122 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,122 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:27,122 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:27,122 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration1_Lasso [2021-12-16 10:17:27,122 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:27,123 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:27,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:27,485 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:27,488 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:27,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,492 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) [2021-12-16 10:17:27,493 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 [2021-12-16 10:17:27,494 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 [2021-12-16 10:17:27,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:27,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:27,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:27,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-16 10:17:27,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,535 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) [2021-12-16 10:17:27,536 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 [2021-12-16 10:17:27,538 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 [2021-12-16 10:17:27,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,592 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 [2021-12-16 10:17:27,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,593 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) [2021-12-16 10:17:27,594 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 [2021-12-16 10:17:27,595 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 [2021-12-16 10:17:27,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:27,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:27,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:27,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,636 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 [2021-12-16 10:17:27,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,638 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) [2021-12-16 10:17:27,639 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 [2021-12-16 10:17:27,645 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 [2021-12-16 10:17:27,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,691 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 [2021-12-16 10:17:27,691 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,692 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) [2021-12-16 10:17:27,694 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 [2021-12-16 10:17:27,695 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 [2021-12-16 10:17:27,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,745 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 [2021-12-16 10:17:27,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,747 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) [2021-12-16 10:17:27,747 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 [2021-12-16 10:17:27,749 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 [2021-12-16 10:17:27,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:27,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:27,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:27,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:27,786 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 [2021-12-16 10:17:27,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,788 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) [2021-12-16 10:17:27,788 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 [2021-12-16 10:17:27,791 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 [2021-12-16 10:17:27,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:27,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:27,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:27,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:27,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:27,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:27,814 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:27,844 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-16 10:17:27,844 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-16 10:17:27,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:27,859 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) [2021-12-16 10:17:27,907 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 [2021-12-16 10:17:27,908 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:27,936 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-16 10:17:27,936 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:27,937 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1) = -2*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 Supporting invariants [1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_1 - 2*ULTIMATE.start_main_~array_size~0#1 >= 0] [2021-12-16 10:17:27,956 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 [2021-12-16 10:17:27,963 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-12-16 10:17:27,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:28,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 10:17:28,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:28,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-16 10:17:28,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:28,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:28,085 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-16 10:17:28,086 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 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) [2021-12-16 10:17:28,146 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 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) Result 38 states and 53 transitions. Complement of second has 8 states. [2021-12-16 10:17:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-12-16 10:17:28,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 35 transitions. [2021-12-16 10:17:28,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-16 10:17:28,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:28,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-16 10:17:28,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:28,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 35 transitions. Stem has 4 letters. Loop has 4 letters. [2021-12-16 10:17:28,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:28,155 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 53 transitions. [2021-12-16 10:17:28,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:17:28,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 12 states and 16 transitions. [2021-12-16 10:17:28,163 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-16 10:17:28,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-16 10:17:28,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-12-16 10:17:28,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:28,163 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-16 10:17:28,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-12-16 10:17:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-12-16 10:17:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-12-16 10:17:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-12-16 10:17:28,181 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-16 10:17:28,181 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-16 10:17:28,181 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 10:17:28,181 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-12-16 10:17:28,182 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:17:28,182 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:28,182 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:28,182 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:17:28,182 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:17:28,182 INFO L791 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 132#L529 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 133#L529-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 123#L534-3 assume !(main_~i~1#1 < main_~array_size~0#1); 125#L534-4 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~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, 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; 134#L517-3 [2021-12-16 10:17:28,182 INFO L793 eck$LassoCheckResult]: Loop: 134#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; 129#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 130#L520-1 assume !(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1; 131#L517-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 134#L517-3 [2021-12-16 10:17:28,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-12-16 10:17:28,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581922234] [2021-12-16 10:17:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:28,225 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:28,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581922234] [2021-12-16 10:17:28,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581922234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:17:28,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:17:28,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 10:17:28,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017533837] [2021-12-16 10:17:28,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:17:28,227 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:17:28,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2021-12-16 10:17:28,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282719352] [2021-12-16 10:17:28,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,232 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:28,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,236 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:28,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 10:17:28,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-16 10:17:28,289 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 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) [2021-12-16 10:17:28,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:28,317 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-12-16 10:17:28,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 10:17:28,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-16 10:17:28,318 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-12-16 10:17:28,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:17:28,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2021-12-16 10:17:28,320 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-16 10:17:28,320 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-16 10:17:28,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-12-16 10:17:28,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:28,320 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-16 10:17:28,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-12-16 10:17:28,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2021-12-16 10:17:28,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-12-16 10:17:28,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-12-16 10:17:28,321 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-12-16 10:17:28,321 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-12-16 10:17:28,322 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 10:17:28,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-12-16 10:17:28,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-16 10:17:28,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:28,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:28,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:28,323 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-16 10:17:28,323 INFO L791 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 160#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 164#L529 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 165#L529-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 155#L534-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 156#L534-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 157#L534-3 assume !(main_~i~1#1 < main_~array_size~0#1); 158#L534-4 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~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, 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; 166#L517-3 [2021-12-16 10:17:28,323 INFO L793 eck$LassoCheckResult]: Loop: 166#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; 161#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 162#L520-1 assume !(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1; 163#L517-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 166#L517-3 [2021-12-16 10:17:28,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,323 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-12-16 10:17:28,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074748060] [2021-12-16 10:17:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,345 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,355 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:28,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2021-12-16 10:17:28,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260379765] [2021-12-16 10:17:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,360 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:28,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:28,363 INFO L85 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2021-12-16 10:17:28,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:28,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792535952] [2021-12-16 10:17:28,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:28,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,373 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:28,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:28,772 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:28,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:28,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:28,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:28,773 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:28,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:28,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:28,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:28,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration3_Lasso [2021-12-16 10:17:28,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:28,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:28,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:28,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:29,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:29,142 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:29,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,147 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) [2021-12-16 10:17:29,149 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 [2021-12-16 10:17:29,150 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 [2021-12-16 10:17:29,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:29,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:29,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:29,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,188 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 [2021-12-16 10:17:29,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,190 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) [2021-12-16 10:17:29,193 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 [2021-12-16 10:17:29,194 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 [2021-12-16 10:17:29,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:29,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:29,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:29,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,227 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-16 10:17:29,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,228 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) [2021-12-16 10:17:29,230 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 [2021-12-16 10:17:29,230 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 [2021-12-16 10:17:29,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,266 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 [2021-12-16 10:17:29,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,267 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) [2021-12-16 10:17:29,268 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 [2021-12-16 10:17:29,270 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 [2021-12-16 10:17:29,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:29,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:29,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:29,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,310 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 [2021-12-16 10:17:29,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,311 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) [2021-12-16 10:17:29,313 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 [2021-12-16 10:17:29,314 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 [2021-12-16 10:17:29,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,351 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 [2021-12-16 10:17:29,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,352 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) [2021-12-16 10:17:29,361 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 [2021-12-16 10:17:29,361 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 [2021-12-16 10:17:29,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,386 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 [2021-12-16 10:17:29,386 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,387 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) [2021-12-16 10:17:29,388 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 [2021-12-16 10:17:29,394 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 [2021-12-16 10:17:29,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,401 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,401 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:29,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,432 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) [2021-12-16 10:17:29,433 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 [2021-12-16 10:17:29,435 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 [2021-12-16 10:17:29,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:29,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:29,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:29,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,478 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 [2021-12-16 10:17:29,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,479 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) [2021-12-16 10:17:29,480 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 [2021-12-16 10:17:29,482 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 [2021-12-16 10:17:29,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:29,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:29,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:29,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,534 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 [2021-12-16 10:17:29,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,535 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) [2021-12-16 10:17:29,536 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 [2021-12-16 10:17:29,538 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 [2021-12-16 10:17:29,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:29,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:29,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:29,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,567 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 [2021-12-16 10:17:29,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,569 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) [2021-12-16 10:17:29,574 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 [2021-12-16 10:17:29,575 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 [2021-12-16 10:17:29,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,610 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 [2021-12-16 10:17:29,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,611 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) [2021-12-16 10:17:29,612 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 [2021-12-16 10:17:29,613 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 [2021-12-16 10:17:29,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,643 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 [2021-12-16 10:17:29,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,644 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) [2021-12-16 10:17:29,645 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 [2021-12-16 10:17:29,646 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 [2021-12-16 10:17:29,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:29,676 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 [2021-12-16 10:17:29,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,677 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) [2021-12-16 10:17:29,677 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 [2021-12-16 10:17:29,679 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 [2021-12-16 10:17:29,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:29,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:29,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:29,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:29,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:29,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:29,703 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:29,718 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-16 10:17:29,718 INFO L444 ModelExtractionUtils]: 29 out of 40 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-16 10:17:29,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:29,719 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) [2021-12-16 10:17:29,719 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 [2021-12-16 10:17:29,755 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:29,761 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 10:17:29,762 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:29,762 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~i~0#1, ULTIMATE.start_sumOfThirdBytes_~array_size#1) = -1*ULTIMATE.start_sumOfThirdBytes_~i~0#1 + 1*ULTIMATE.start_sumOfThirdBytes_~array_size#1 Supporting invariants [] [2021-12-16 10:17:29,779 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 [2021-12-16 10:17:29,782 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-12-16 10:17:29,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:29,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:29,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:29,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:17:29,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:29,861 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 [2021-12-16 10:17:29,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-12-16 10:17:29,868 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) Result 17 states and 22 transitions. Complement of second has 4 states. [2021-12-16 10:17:29,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 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) [2021-12-16 10:17:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2021-12-16 10:17:29,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-16 10:17:29,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:29,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2021-12-16 10:17:29,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:29,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 8 letters. Loop has 8 letters. [2021-12-16 10:17:29,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:29,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2021-12-16 10:17:29,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-16 10:17:29,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 16 states and 21 transitions. [2021-12-16 10:17:29,871 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-16 10:17:29,871 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-16 10:17:29,872 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-12-16 10:17:29,872 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:29,872 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-16 10:17:29,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-12-16 10:17:29,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-12-16 10:17:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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) [2021-12-16 10:17:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-12-16 10:17:29,873 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-12-16 10:17:29,873 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-12-16 10:17:29,873 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 10:17:29,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-12-16 10:17:29,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-16 10:17:29,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:29,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:29,874 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:29,874 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:29,874 INFO L791 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 253#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 259#L529 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 260#L529-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 248#L534-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 249#L534-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 250#L534-3 assume !(main_~i~1#1 < main_~array_size~0#1); 251#L534-4 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~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, 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; 261#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; 254#L520-3 [2021-12-16 10:17:29,875 INFO L793 eck$LassoCheckResult]: Loop: 254#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 255#L520-1 assume !!(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1;sumOfThirdBytes_#t~post4#1 := sumOfThirdBytes_~sum~0#1;sumOfThirdBytes_~sum~0#1 := 1 + sumOfThirdBytes_#t~post4#1;havoc sumOfThirdBytes_#t~post4#1;call sumOfThirdBytes_#t~mem5#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_#t~post6#1 := sumOfThirdBytes_#t~mem5#1;call write~int(sumOfThirdBytes_#t~post6#1 - 1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);havoc sumOfThirdBytes_#t~mem5#1;havoc sumOfThirdBytes_#t~post6#1; 254#L520-3 [2021-12-16 10:17:29,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2021-12-16 10:17:29,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:29,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375059730] [2021-12-16 10:17:29,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:29,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,887 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,896 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:29,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2021-12-16 10:17:29,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:29,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893702215] [2021-12-16 10:17:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:29,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:29,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:29,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2021-12-16 10:17:29,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:29,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194531013] [2021-12-16 10:17:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:29,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,931 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:29,940 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:30,196 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:30,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:30,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:30,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:30,196 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:30,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:30,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:30,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration4_Lasso [2021-12-16 10:17:30,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:30,196 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:30,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:30,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:30,612 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:30,612 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:30,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,613 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) [2021-12-16 10:17:30,613 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 [2021-12-16 10:17:30,615 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 [2021-12-16 10:17:30,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-16 10:17:30,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,638 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) [2021-12-16 10:17:30,638 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 [2021-12-16 10:17:30,639 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 [2021-12-16 10:17:30,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,673 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 [2021-12-16 10:17:30,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,674 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-12-16 10:17:30,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-16 10:17:30,676 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 [2021-12-16 10:17:30,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:30,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:30,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-16 10:17:30,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,700 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-12-16 10:17:30,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-16 10:17:30,702 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 [2021-12-16 10:17:30,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:30,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,735 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-12-16 10:17:30,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-16 10:17:30,737 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 [2021-12-16 10:17:30,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:30,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:30,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:30,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,779 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-12-16 10:17:30,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-16 10:17:30,781 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 [2021-12-16 10:17:30,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:30,787 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:30,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-12-16 10:17:30,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,810 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-12-16 10:17:30,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-16 10:17:30,812 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 [2021-12-16 10:17:30,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:30,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,842 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-12-16 10:17:30,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-16 10:17:30,845 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 [2021-12-16 10:17:30,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-16 10:17:30,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,867 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-12-16 10:17:30,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-16 10:17:30,869 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 [2021-12-16 10:17:30,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:30,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:30,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-16 10:17:30,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,904 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-12-16 10:17:30,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-16 10:17:30,911 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 [2021-12-16 10:17:30,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:30,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,936 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-12-16 10:17:30,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-16 10:17:30,938 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 [2021-12-16 10:17:30,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:30,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:30,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-16 10:17:30,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,963 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-12-16 10:17:30,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-16 10:17:30,964 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 [2021-12-16 10:17:30,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:30,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:30,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:30,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:30,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:30,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:30,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:30,988 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-12-16 10:17:30,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-16 10:17:30,990 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 [2021-12-16 10:17:30,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:30,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:30,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:30,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:30,997 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:30,997 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:31,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,028 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-12-16 10:17:31,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-16 10:17:31,030 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 [2021-12-16 10:17:31,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:31,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:31,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:31,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,081 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-12-16 10:17:31,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-16 10:17:31,084 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 [2021-12-16 10:17:31,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:31,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:31,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:31,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:31,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:31,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:31,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:31,099 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:31,100 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 10:17:31,100 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-16 10:17:31,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:31,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,101 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-12-16 10:17:31,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-16 10:17:31,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:31,105 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 10:17:31,105 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:31,105 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_2 Supporting invariants [] [2021-12-16 10:17:31,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,128 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-16 10:17:31,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:31,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:31,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:31,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 10:17:31,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:31,192 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 [2021-12-16 10:17:31,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-12-16 10:17:31,204 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 26 states and 34 transitions. Complement of second has 7 states. [2021-12-16 10:17:31,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2021-12-16 10:17:31,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-12-16 10:17:31,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-16 10:17:31,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:31,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-16 10:17:31,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:31,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-16 10:17:31,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:31,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-12-16 10:17:31,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-16 10:17:31,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 26 transitions. [2021-12-16 10:17:31,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-16 10:17:31,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-16 10:17:31,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-12-16 10:17:31,211 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:31,211 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-16 10:17:31,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-12-16 10:17:31,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-12-16 10:17:31,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2021-12-16 10:17:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-12-16 10:17:31,214 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-16 10:17:31,214 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-12-16 10:17:31,214 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 10:17:31,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-12-16 10:17:31,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-16 10:17:31,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:31,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:31,216 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:31,216 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:31,216 INFO L791 eck$LassoCheckResult]: Stem: 374#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 375#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 382#L529 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 383#L529-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 370#L534-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 371#L534-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 372#L534-3 assume !(main_~i~1#1 < main_~array_size~0#1); 373#L534-4 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~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, 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; 384#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; 385#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 380#L520-1 assume !(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1; 381#L517-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 386#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; 376#L520-3 [2021-12-16 10:17:31,216 INFO L793 eck$LassoCheckResult]: Loop: 376#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 377#L520-1 assume !!(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1;sumOfThirdBytes_#t~post4#1 := sumOfThirdBytes_~sum~0#1;sumOfThirdBytes_~sum~0#1 := 1 + sumOfThirdBytes_#t~post4#1;havoc sumOfThirdBytes_#t~post4#1;call sumOfThirdBytes_#t~mem5#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_#t~post6#1 := sumOfThirdBytes_#t~mem5#1;call write~int(sumOfThirdBytes_#t~post6#1 - 1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);havoc sumOfThirdBytes_#t~mem5#1;havoc sumOfThirdBytes_#t~post6#1; 376#L520-3 [2021-12-16 10:17:31,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2021-12-16 10:17:31,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:31,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629801649] [2021-12-16 10:17:31,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:31,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:31,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:31,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629801649] [2021-12-16 10:17:31,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629801649] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 10:17:31,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57585603] [2021-12-16 10:17:31,283 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-16 10:17:31,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 10:17:31,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:31,284 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 10:17:31,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-12-16 10:17:31,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:31,353 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-16 10:17:31,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-16 10:17:31,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 10:17:31,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:31,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 10:17:31,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:31,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57585603] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 10:17:31,441 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 10:17:31,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-12-16 10:17:31,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170416224] [2021-12-16 10:17:31,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 10:17:31,441 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 10:17:31,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:31,442 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2021-12-16 10:17:31,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:31,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270559447] [2021-12-16 10:17:31,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:31,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,445 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:31,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:31,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-16 10:17:31,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-12-16 10:17:31,475 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 11 states, 10 states have (on average 2.7) internal successors, (27), 11 states have internal predecessors, (27), 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) [2021-12-16 10:17:31,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:31,549 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2021-12-16 10:17:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-16 10:17:31,557 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2021-12-16 10:17:31,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-16 10:17:31,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2021-12-16 10:17:31,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-12-16 10:17:31,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-16 10:17:31,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2021-12-16 10:17:31,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 10:17:31,560 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-12-16 10:17:31,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2021-12-16 10:17:31,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-12-16 10:17:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 states have internal predecessors, (24), 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) [2021-12-16 10:17:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2021-12-16 10:17:31,562 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-12-16 10:17:31,562 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2021-12-16 10:17:31,562 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 10:17:31,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2021-12-16 10:17:31,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-16 10:17:31,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:31,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:31,563 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:31,563 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:31,563 INFO L791 eck$LassoCheckResult]: Stem: 521#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 522#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~1#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 529#L529 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 530#L529-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~1#1 := 0; 517#L534-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 518#L534-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 519#L534-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet10#1; 520#L534-2 main_#t~post9#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 536#L534-3 assume !(main_~i~1#1 < main_~array_size~0#1); 533#L534-4 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~post4#1, sumOfThirdBytes_#t~mem5#1, sumOfThirdBytes_#t~post6#1, 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; 531#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; 528#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 535#L520-1 assume !(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1; 534#L517-2 sumOfThirdBytes_#t~post2#1 := sumOfThirdBytes_~i~0#1;sumOfThirdBytes_~i~0#1 := 1 + sumOfThirdBytes_#t~post2#1;havoc sumOfThirdBytes_#t~post2#1; 532#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; 523#L520-3 [2021-12-16 10:17:31,563 INFO L793 eck$LassoCheckResult]: Loop: 523#L520-3 call sumOfThirdBytes_#t~mem3#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1); 524#L520-1 assume !!(sumOfThirdBytes_#t~mem3#1 > 0);havoc sumOfThirdBytes_#t~mem3#1;sumOfThirdBytes_#t~post4#1 := sumOfThirdBytes_~sum~0#1;sumOfThirdBytes_~sum~0#1 := 1 + sumOfThirdBytes_#t~post4#1;havoc sumOfThirdBytes_#t~post4#1;call sumOfThirdBytes_#t~mem5#1 := read~int(sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);sumOfThirdBytes_#t~post6#1 := sumOfThirdBytes_#t~mem5#1;call write~int(sumOfThirdBytes_#t~post6#1 - 1, sumOfThirdBytes_~p~0#1.base, sumOfThirdBytes_~p~0#1.offset, 1);havoc sumOfThirdBytes_#t~mem5#1;havoc sumOfThirdBytes_#t~post6#1; 523#L520-3 [2021-12-16 10:17:31,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:31,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2021-12-16 10:17:31,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:31,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778961646] [2021-12-16 10:17:31,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:31,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,578 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,586 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:31,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:31,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2021-12-16 10:17:31,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:31,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717942374] [2021-12-16 10:17:31,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:31,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,595 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,599 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:31,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:31,601 INFO L85 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2021-12-16 10:17:31,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:31,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918779764] [2021-12-16 10:17:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:31,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:31,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:32,015 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:32,016 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:32,016 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:32,016 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:32,016 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:32,016 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,016 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:32,016 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:32,016 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder2-alloca-1.i_Iteration6_Lasso [2021-12-16 10:17:32,016 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:32,016 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:32,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,032 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:32,478 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:32,478 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:32,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,479 INFO L229 MonitoredProcess]: Starting monitored process 42 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) [2021-12-16 10:17:32,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-16 10:17:32,519 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 [2021-12-16 10:17:32,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,543 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,544 INFO L229 MonitoredProcess]: Starting monitored process 43 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) [2021-12-16 10:17:32,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-16 10:17:32,553 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 [2021-12-16 10:17:32,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,569 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-16 10:17:32,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,584 INFO L229 MonitoredProcess]: Starting monitored process 44 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) [2021-12-16 10:17:32,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-16 10:17:32,586 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 [2021-12-16 10:17:32,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,623 INFO L229 MonitoredProcess]: Starting monitored process 45 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) [2021-12-16 10:17:32,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-16 10:17:32,626 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 [2021-12-16 10:17:32,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,632 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-16 10:17:32,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,649 INFO L229 MonitoredProcess]: Starting monitored process 46 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) [2021-12-16 10:17:32,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-16 10:17:32,652 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 [2021-12-16 10:17:32,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,688 INFO L229 MonitoredProcess]: Starting monitored process 47 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) [2021-12-16 10:17:32,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-16 10:17:32,696 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 [2021-12-16 10:17:32,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,720 INFO L229 MonitoredProcess]: Starting monitored process 48 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) [2021-12-16 10:17:32,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-16 10:17:32,722 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 [2021-12-16 10:17:32,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-16 10:17:32,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,746 INFO L229 MonitoredProcess]: Starting monitored process 49 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) [2021-12-16 10:17:32,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-16 10:17:32,748 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 [2021-12-16 10:17:32,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,770 INFO L229 MonitoredProcess]: Starting monitored process 50 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) [2021-12-16 10:17:32,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-16 10:17:32,773 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 [2021-12-16 10:17:32,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-16 10:17:32,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,796 INFO L229 MonitoredProcess]: Starting monitored process 51 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) [2021-12-16 10:17:32,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-16 10:17:32,798 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 [2021-12-16 10:17:32,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-16 10:17:32,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,823 INFO L229 MonitoredProcess]: Starting monitored process 52 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) [2021-12-16 10:17:32,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-16 10:17:32,825 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 [2021-12-16 10:17:32,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:32,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,848 INFO L229 MonitoredProcess]: Starting monitored process 53 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) [2021-12-16 10:17:32,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-16 10:17:32,850 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 [2021-12-16 10:17:32,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:32,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:32,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-16 10:17:32,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,873 INFO L229 MonitoredProcess]: Starting monitored process 54 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) [2021-12-16 10:17:32,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-16 10:17:32,875 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 [2021-12-16 10:17:32,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-16 10:17:32,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,899 INFO L229 MonitoredProcess]: Starting monitored process 55 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) [2021-12-16 10:17:32,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-16 10:17:32,900 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 [2021-12-16 10:17:32,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-16 10:17:32,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,924 INFO L229 MonitoredProcess]: Starting monitored process 56 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) [2021-12-16 10:17:32,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-16 10:17:32,926 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 [2021-12-16 10:17:32,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:32,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:32,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:32,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:32,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:32,933 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:32,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:32,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:32,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-16 10:17:32,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:32,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:32,949 INFO L229 MonitoredProcess]: Starting monitored process 57 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) [2021-12-16 10:17:32,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-16 10:17:33,003 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 [2021-12-16 10:17:33,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:33,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:33,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:33,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:33,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:33,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:33,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:33,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:33,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-16 10:17:33,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:33,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:33,026 INFO L229 MonitoredProcess]: Starting monitored process 58 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) [2021-12-16 10:17:33,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-16 10:17:33,028 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 [2021-12-16 10:17:33,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:33,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:33,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:33,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:33,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:33,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:33,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:33,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-16 10:17:33,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:33,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:33,053 INFO L229 MonitoredProcess]: Starting monitored process 59 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) [2021-12-16 10:17:33,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-16 10:17:33,054 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 [2021-12-16 10:17:33,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:33,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:33,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:33,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:33,062 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:33,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:33,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:33,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-16 10:17:33,116 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:33,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:33,117 INFO L229 MonitoredProcess]: Starting monitored process 60 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) [2021-12-16 10:17:33,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-16 10:17:33,118 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 [2021-12-16 10:17:33,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:33,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:33,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:33,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:33,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:33,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:33,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:33,133 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:33,135 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-16 10:17:33,135 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-16 10:17:33,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:33,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:33,136 INFO L229 MonitoredProcess]: Starting monitored process 61 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) [2021-12-16 10:17:33,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-16 10:17:33,137 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:33,137 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-16 10:17:33,137 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:33,137 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_sumOfThirdBytes_~p~0#1.base) ULTIMATE.start_sumOfThirdBytes_~p~0#1.offset)_3 Supporting invariants [] [2021-12-16 10:17:33,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-16 10:17:33,169 INFO L297 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2021-12-16 10:17:33,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:33,253 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 [2021-12-16 10:17:33,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-16 10:17:33,267 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 26 states and 31 transitions. Complement of second has 7 states. [2021-12-16 10:17:33,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-16 10:17:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-12-16 10:17:33,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-16 10:17:33,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:33,269 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 10:17:33,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:33,331 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 10:17:33,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-16 10:17:33,343 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 26 states and 31 transitions. Complement of second has 7 states. [2021-12-16 10:17:33,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-16 10:17:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2021-12-16 10:17:33,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-16 10:17:33,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:33,345 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 10:17:33,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:33,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-16 10:17:33,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:33,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:33,415 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 10:17:33,416 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-16 10:17:33,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 27 states and 33 transitions. Complement of second has 6 states. [2021-12-16 10:17:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-12-16 10:17:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2021-12-16 10:17:33,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 2 letters. [2021-12-16 10:17:33,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:33,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 17 letters. Loop has 2 letters. [2021-12-16 10:17:33,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:33,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-16 10:17:33,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:33,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 33 transitions. [2021-12-16 10:17:33,432 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:17:33,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-12-16 10:17:33,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 10:17:33,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 10:17:33,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 10:17:33,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:33,433 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:33,433 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:33,433 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:33,433 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-16 10:17:33,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 10:17:33,433 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:17:33,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 10:17:33,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 10:17:33 BoogieIcfgContainer [2021-12-16 10:17:33,437 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 10:17:33,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 10:17:33,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 10:17:33,438 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 10:17:33,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:26" (3/4) ... [2021-12-16 10:17:33,440 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 10:17:33,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 10:17:33,440 INFO L158 Benchmark]: Toolchain (without parser) took 7526.19ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 72.3MB in the beginning and 58.4MB in the end (delta: 13.9MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2021-12-16 10:17:33,440 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:33,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.17ms. Allocated memory is still 111.1MB. Free memory was 72.2MB in the beginning and 80.6MB in the end (delta: -8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 10:17:33,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.95ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 10:17:33,441 INFO L158 Benchmark]: Boogie Preprocessor took 28.14ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:33,441 INFO L158 Benchmark]: RCFGBuilder took 282.06ms. Allocated memory is still 111.1MB. Free memory was 77.3MB in the beginning and 67.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-16 10:17:33,441 INFO L158 Benchmark]: BuchiAutomizer took 6838.32ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 67.0MB in the beginning and 58.4MB in the end (delta: 8.6MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2021-12-16 10:17:33,441 INFO L158 Benchmark]: Witness Printer took 2.13ms. Allocated memory is still 161.5MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:33,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.17ms. Allocated memory is still 111.1MB. Free memory was 72.2MB in the beginning and 80.6MB in the end (delta: -8.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.95ms. Allocated memory is still 111.1MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.14ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 77.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 282.06ms. Allocated memory is still 111.1MB. Free memory was 77.3MB in the beginning and 67.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6838.32ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 67.0MB in the beginning and 58.4MB in the end (delta: 8.6MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. * Witness Printer took 2.13ms. Allocated memory is still 161.5MB. Free memory is still 58.4MB. 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 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * i + unknown-#length-unknown[numbers] and consists of 6 locations. One deterministic module has affine ranking function -1 * i + array_size and consists of 3 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[p][p] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 120 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 89 mSDtfsCounter, 120 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital142 mio100 ax113 hnf99 lsp81 ukn88 mio100 lsp58 div116 bol100 ite100 ukn100 eq175 hnf85 smp93 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 2 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! [2021-12-16 10:17:33,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:33,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:33,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE