./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 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/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 15:02:07,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 15:02:07,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 15:02:07,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 15:02:07,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 15:02:07,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 15:02:07,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 15:02:07,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 15:02:07,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 15:02:07,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 15:02:07,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 15:02:07,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 15:02:07,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 15:02:07,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 15:02:07,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 15:02:07,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 15:02:07,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 15:02:07,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 15:02:07,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 15:02:07,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 15:02:07,152 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 15:02:07,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 15:02:07,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 15:02:07,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 15:02:07,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 15:02:07,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 15:02:07,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 15:02:07,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 15:02:07,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 15:02:07,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 15:02:07,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 15:02:07,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 15:02:07,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 15:02:07,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 15:02:07,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 15:02:07,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 15:02:07,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 15:02:07,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 15:02:07,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 15:02:07,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 15:02:07,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 15:02:07,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 15:02:07,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 15:02:07,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 15:02:07,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 15:02:07,184 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 15:02:07,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 15:02:07,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 15:02:07,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 15:02:07,185 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 15:02:07,185 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 15:02:07,185 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 15:02:07,185 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 15:02:07,185 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 15:02:07,186 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 15:02:07,186 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 15:02:07,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 15:02:07,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 15:02:07,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 15:02:07,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 15:02:07,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 15:02:07,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 15:02:07,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 15:02:07,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 15:02:07,187 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 15:02:07,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 15:02:07,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 15:02:07,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 15:02:07,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 15:02:07,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 15:02:07,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 15:02:07,189 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 15:02:07,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a15d7a8babeb47c5803852aa414fd44c9c2ce5952463596f56bd26c728f7d82b [2022-07-14 15:02:07,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 15:02:07,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 15:02:07,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 15:02:07,407 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 15:02:07,408 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 15:02:07,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2022-07-14 15:02:07,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603207b11/702dd95c51384ee0b2a14d82c4e187b2/FLAGb1ad4d8c3 [2022-07-14 15:02:07,819 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 15:02:07,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrncpy-alloca-1.i [2022-07-14 15:02:07,833 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603207b11/702dd95c51384ee0b2a14d82c4e187b2/FLAGb1ad4d8c3 [2022-07-14 15:02:07,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603207b11/702dd95c51384ee0b2a14d82c4e187b2 [2022-07-14 15:02:07,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 15:02:07,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 15:02:07,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 15:02:07,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 15:02:07,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 15:02:07,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:02:07" (1/1) ... [2022-07-14 15:02:07,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78be1278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:07, skipping insertion in model container [2022-07-14 15:02:07,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:02:07" (1/1) ... [2022-07-14 15:02:07,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 15:02:07,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 15:02:08,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:02:08,115 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 15:02:08,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 15:02:08,164 INFO L208 MainTranslator]: Completed translation [2022-07-14 15:02:08,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08 WrapperNode [2022-07-14 15:02:08,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 15:02:08,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 15:02:08,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 15:02:08,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 15:02:08,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,190 INFO L137 Inliner]: procedures = 111, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2022-07-14 15:02:08,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 15:02:08,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 15:02:08,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 15:02:08,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 15:02:08,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 15:02:08,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 15:02:08,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 15:02:08,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 15:02:08,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (1/1) ... [2022-07-14 15:02:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:08,236 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) [2022-07-14 15:02:08,243 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 [2022-07-14 15:02:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 15:02:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 15:02:08,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 15:02:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 15:02:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 15:02:08,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 15:02:08,378 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 15:02:08,380 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 15:02:08,551 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 15:02:08,555 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 15:02:08,557 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 15:02:08,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:02:08 BoogieIcfgContainer [2022-07-14 15:02:08,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 15:02:08,559 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 15:02:08,560 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 15:02:08,563 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 15:02:08,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:02:08,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 03:02:07" (1/3) ... [2022-07-14 15:02:08,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75dac018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:02:08, skipping insertion in model container [2022-07-14 15:02:08,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:02:08,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:02:08" (2/3) ... [2022-07-14 15:02:08,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75dac018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 03:02:08, skipping insertion in model container [2022-07-14 15:02:08,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 15:02:08,566 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:02:08" (3/3) ... [2022-07-14 15:02:08,567 INFO L354 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncpy-alloca-1.i [2022-07-14 15:02:08,613 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 15:02:08,613 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 15:02:08,613 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 15:02:08,613 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 15:02:08,613 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 15:02:08,613 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 15:02:08,613 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 15:02:08,614 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 15:02:08,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 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) [2022-07-14 15:02:08,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 15:02:08,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:02:08,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:02:08,640 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 15:02:08,640 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 15:02:08,640 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 15:02:08,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 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) [2022-07-14 15:02:08,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-07-14 15:02:08,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:02:08,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:02:08,644 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-14 15:02:08,644 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-07-14 15:02:08,649 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 11#L566true assume !(main_~length~0#1 < 1); 12#L566-2true assume !(main_~n~0#1 < 1); 7#L569-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 16#L550true assume 0 != cstrncpy_~n#1 % 18446744073709551616;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 14#L553-4true [2022-07-14 15:02:08,650 INFO L754 eck$LassoCheckResult]: Loop: 14#L553-4true cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 17#L554true assume !(0 == cstrncpy_#t~mem5#1);havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 10#L553-1true cstrncpy_#t~pre2#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 8#L553-2true assume !!(0 != cstrncpy_#t~pre2#1 % 18446744073709551616);havoc cstrncpy_#t~pre2#1; 14#L553-4true [2022-07-14 15:02:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:08,658 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2022-07-14 15:02:08,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:08,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931465589] [2022-07-14 15:02:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:08,783 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:08,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:08,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:08,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1618712, now seen corresponding path program 1 times [2022-07-14 15:02:08,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:08,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680817868] [2022-07-14 15:02:08,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:08,877 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:08,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:08,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:08,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1592246563, now seen corresponding path program 1 times [2022-07-14 15:02:08,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:08,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757727370] [2022-07-14 15:02:08,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:08,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:08,939 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:08,964 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:09,662 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:02:09,662 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:02:09,662 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:02:09,662 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:02:09,662 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:02:09,663 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:09,663 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:02:09,663 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:02:09,664 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration1_Lasso [2022-07-14 15:02:09,664 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:02:09,664 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:02:09,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:09,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:10,786 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:02:10,789 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:02:10,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:10,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:10,792 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) [2022-07-14 15:02:10,797 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 [2022-07-14 15:02:10,798 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 [2022-07-14 15:02:10,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:10,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:10,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:10,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:10,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:10,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:10,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:10,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:10,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:10,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:10,838 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) [2022-07-14 15:02:10,844 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 [2022-07-14 15:02:10,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:10,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:10,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:10,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:10,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:10,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:10,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:10,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:10,863 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 [2022-07-14 15:02:10,879 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 [2022-07-14 15:02:10,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:10,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:10,880 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) [2022-07-14 15:02:10,881 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 [2022-07-14 15:02:10,882 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 [2022-07-14 15:02:10,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:10,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:10,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:10,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:10,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:10,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:10,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:10,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:10,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 15:02:10,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:10,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:10,916 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) [2022-07-14 15:02:10,917 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 [2022-07-14 15:02:10,918 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 [2022-07-14 15:02:10,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:10,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:10,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:10,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:10,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:10,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:10,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:10,963 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 [2022-07-14 15:02:10,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:10,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:10,965 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) [2022-07-14 15:02:10,965 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 [2022-07-14 15:02:10,967 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 [2022-07-14 15:02:10,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:10,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:10,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:10,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:10,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:10,974 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:10,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:10,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:10,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-14 15:02:11,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,001 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) [2022-07-14 15:02:11,003 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 [2022-07-14 15:02:11,003 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 [2022-07-14 15:02:11,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,011 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:11,011 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:11,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:11,039 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 [2022-07-14 15:02:11,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,040 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) [2022-07-14 15:02:11,041 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 [2022-07-14 15:02:11,043 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 [2022-07-14 15:02:11,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:11,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:11,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:11,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:11,074 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 [2022-07-14 15:02:11,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,076 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) [2022-07-14 15:02:11,076 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 [2022-07-14 15:02:11,078 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 [2022-07-14 15:02:11,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:11,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:11,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:11,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:11,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:11,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,102 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) [2022-07-14 15:02:11,103 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 [2022-07-14 15:02:11,108 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 [2022-07-14 15:02:11,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:11,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:11,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:11,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:11,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-14 15:02:11,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,162 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) [2022-07-14 15:02:11,163 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 [2022-07-14 15:02:11,164 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 [2022-07-14 15:02:11,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:11,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:11,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:11,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:11,186 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 [2022-07-14 15:02:11,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,188 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) [2022-07-14 15:02:11,188 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 [2022-07-14 15:02:11,190 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 [2022-07-14 15:02:11,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:11,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:11,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:11,234 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:11,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,235 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:02:11,236 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 [2022-07-14 15:02:11,238 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 [2022-07-14 15:02:11,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:11,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:11,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:11,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:11,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:11,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:11,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:02:11,326 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-14 15:02:11,327 INFO L444 ModelExtractionUtils]: 34 out of 46 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-07-14 15:02:11,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:11,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:11,329 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) [2022-07-14 15:02:11,350 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 [2022-07-14 15:02:11,350 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:02:11,376 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:02:11,376 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:02:11,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1, ULTIMATE.start_cstrncpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_1 - 1*ULTIMATE.start_cstrncpy_~s~0#1.offset Supporting invariants [] [2022-07-14 15:02:11,395 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 [2022-07-14 15:02:11,459 INFO L293 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2022-07-14 15:02:11,462 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 [2022-07-14 15:02:11,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:02:11,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-14 15:02:11,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:02:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:02:11,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-14 15:02:11,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:02:11,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:02:11,650 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 [2022-07-14 15:02:11,651 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 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) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:11,709 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 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). Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 7 states. [2022-07-14 15:02:11,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-14 15:02:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2022-07-14 15:02:11,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2022-07-14 15:02:11,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:11,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2022-07-14 15:02:11,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:11,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2022-07-14 15:02:11,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:11,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2022-07-14 15:02:11,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 15:02:11,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 15 states and 18 transitions. [2022-07-14 15:02:11,727 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-14 15:02:11,727 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-14 15:02:11,728 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2022-07-14 15:02:11,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:02:11,728 INFO L369 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-07-14 15:02:11,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2022-07-14 15:02:11,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-07-14 15:02:11,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2022-07-14 15:02:11,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-07-14 15:02:11,744 INFO L392 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-14 15:02:11,744 INFO L374 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-07-14 15:02:11,744 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 15:02:11,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-07-14 15:02:11,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-07-14 15:02:11,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:02:11,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:02:11,746 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 15:02:11,746 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-07-14 15:02:11,746 INFO L752 eck$LassoCheckResult]: Stem: 171#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 172#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 181#L566 assume !(main_~length~0#1 < 1); 179#L566-2 assume !(main_~n~0#1 < 1); 175#L569-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~0#1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset, cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, cstrncpy_#t~mem5#1, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, cstrncpy_#t~pre6#1, cstrncpy_#t~pre2#1, cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset, cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset, cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset, cstrncpy_~src#1.base, cstrncpy_~src#1.offset, cstrncpy_~n#1;cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset := cstrncpy_#in~dst#1.base, cstrncpy_#in~dst#1.offset;cstrncpy_~src#1.base, cstrncpy_~src#1.offset := cstrncpy_#in~src#1.base, cstrncpy_#in~src#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1; 176#L550 assume 0 != cstrncpy_~n#1 % 18446744073709551616;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_~dst#1.base, cstrncpy_~dst#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_~src#1.base, cstrncpy_~src#1.offset; 182#L553-4 cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post3#1.base, 1 + cstrncpy_#t~post3#1.offset;cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset := cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset;cstrncpy_~s~0#1.base, cstrncpy_~s~0#1.offset := cstrncpy_#t~post4#1.base, 1 + cstrncpy_#t~post4#1.offset;call cstrncpy_#t~mem5#1 := read~int(cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset, 1);call write~int(cstrncpy_#t~mem5#1, cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset, 1); 183#L554 assume 0 == cstrncpy_#t~mem5#1;havoc cstrncpy_#t~post3#1.base, cstrncpy_#t~post3#1.offset;havoc cstrncpy_#t~post4#1.base, cstrncpy_#t~post4#1.offset;havoc cstrncpy_#t~mem5#1; 173#L555-3 [2022-07-14 15:02:11,746 INFO L754 eck$LassoCheckResult]: Loop: 173#L555-3 cstrncpy_#t~pre6#1 := cstrncpy_~n#1 - 1;cstrncpy_~n#1 := cstrncpy_~n#1 - 1; 174#L555-1 assume !!(0 != cstrncpy_#t~pre6#1 % 18446744073709551616);havoc cstrncpy_#t~pre6#1;cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset := cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset;cstrncpy_~d~0#1.base, cstrncpy_~d~0#1.offset := cstrncpy_#t~post7#1.base, 1 + cstrncpy_#t~post7#1.offset;call write~int(0, cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset, 1);havoc cstrncpy_#t~post7#1.base, cstrncpy_#t~post7#1.offset; 173#L555-3 [2022-07-14 15:02:11,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 180427599, now seen corresponding path program 1 times [2022-07-14 15:02:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:11,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713528431] [2022-07-14 15:02:11,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:11,772 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:11,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:11,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:11,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2022-07-14 15:02:11,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:11,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724405786] [2022-07-14 15:02:11,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:11,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:11,813 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:11,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:11,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:11,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1592231764, now seen corresponding path program 1 times [2022-07-14 15:02:11,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:02:11,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9972056] [2022-07-14 15:02:11,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:02:11,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:02:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:11,856 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:02:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:02:11,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:02:12,598 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:02:12,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:02:12,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:02:12,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:02:12,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:02:12,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:12,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:02:12,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:02:12,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncpy-alloca-1.i_Iteration2_Lasso [2022-07-14 15:02:12,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:02:12,598 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:02:12,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:12,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:02:13,579 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:02:13,580 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:02:13,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,581 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) [2022-07-14 15:02:13,582 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 [2022-07-14 15:02:13,583 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 [2022-07-14 15:02:13,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:13,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:13,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:13,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:13,606 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 [2022-07-14 15:02:13,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,608 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) [2022-07-14 15:02:13,608 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 [2022-07-14 15:02:13,610 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 [2022-07-14 15:02:13,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:13,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:13,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:13,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-07-14 15:02:13,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,657 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) [2022-07-14 15:02:13,663 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 [2022-07-14 15:02:13,664 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 [2022-07-14 15:02:13,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:02:13,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:02:13,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:02:13,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:13,710 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-14 15:02:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,712 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) [2022-07-14 15:02:13,713 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 [2022-07-14 15:02:13,714 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 [2022-07-14 15:02:13,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:13,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:13,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:13,757 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 [2022-07-14 15:02:13,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,759 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) [2022-07-14 15:02:13,760 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 [2022-07-14 15:02:13,761 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 [2022-07-14 15:02:13,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:13,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:13,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:13,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:13,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,809 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) [2022-07-14 15:02:13,811 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 [2022-07-14 15:02:13,812 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 [2022-07-14 15:02:13,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:13,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:13,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:02:13,869 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 [2022-07-14 15:02:13,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,871 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) [2022-07-14 15:02:13,872 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 [2022-07-14 15:02:13,873 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 [2022-07-14 15:02:13,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:02:13,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:02:13,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:02:13,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:02:13,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:02:13,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:02:13,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:02:13,968 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2022-07-14 15:02:13,968 INFO L444 ModelExtractionUtils]: 15 out of 61 variables were initially zero. Simplification set additionally 43 variables to zero. [2022-07-14 15:02:13,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:02:13,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:02:13,970 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) [2022-07-14 15:02:13,971 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 [2022-07-14 15:02:13,972 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:02:13,993 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 15:02:13,993 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:02:13,993 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~d~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_2) = -1*ULTIMATE.start_cstrncpy_~d~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc10#1.base)_2 Supporting invariants [] [2022-07-14 15:02:14,021 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 [2022-07-14 15:02:14,046 INFO L293 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2022-07-14 15:02:14,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:02:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:02:14,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-14 15:02:14,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:02:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:02:14,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 15:02:14,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:02:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:02:14,105 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 1 loop predicates [2022-07-14 15:02:14,105 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:14,135 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 6 states. [2022-07-14 15:02:14,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2022-07-14 15:02:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:02:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-07-14 15:02:14,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 2 letters. [2022-07-14 15:02:14,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:14,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 10 letters. Loop has 2 letters. [2022-07-14 15:02:14,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:14,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 4 letters. [2022-07-14 15:02:14,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:02:14,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-07-14 15:02:14,137 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:02:14,137 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2022-07-14 15:02:14,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:02:14,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:02:14,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:02:14,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:02:14,138 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:02:14,138 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:02:14,138 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:02:14,138 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 15:02:14,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:02:14,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:02:14,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:02:14,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:02:14 BoogieIcfgContainer [2022-07-14 15:02:14,143 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:02:14,144 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:02:14,144 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:02:14,144 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:02:14,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:02:08" (3/4) ... [2022-07-14 15:02:14,146 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:02:14,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:02:14,146 INFO L158 Benchmark]: Toolchain (without parser) took 6297.36ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 60.6MB in the beginning and 77.1MB in the end (delta: -16.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-07-14 15:02:14,147 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:02:14,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.24ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 67.5MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-14 15:02:14,147 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.95ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 65.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:02:14,148 INFO L158 Benchmark]: Boogie Preprocessor took 15.60ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 64.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:02:14,148 INFO L158 Benchmark]: RCFGBuilder took 351.66ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 53.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 15:02:14,148 INFO L158 Benchmark]: BuchiAutomizer took 5583.78ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 52.8MB in the beginning and 77.1MB in the end (delta: -24.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-07-14 15:02:14,149 INFO L158 Benchmark]: Witness Printer took 2.34ms. Allocated memory is still 127.9MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:02:14,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.24ms. Allocated memory is still 98.6MB. Free memory was 60.4MB in the beginning and 67.5MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.95ms. Allocated memory is still 98.6MB. Free memory was 67.3MB in the beginning and 65.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.60ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 64.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.66ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 53.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5583.78ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 52.8MB in the beginning and 77.1MB in the end (delta: -24.3MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Witness Printer took 2.34ms. Allocated memory is still 127.9MB. Free memory is still 77.1MB. 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. One deterministic module has affine ranking function -1 * d + unknown-#length-unknown[__builtin_alloca (n * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital233 mio100 ax107 hnf100 lsp90 ukn86 mio100 lsp51 div175 bol100 ite100 ukn100 eq176 hnf91 smp70 dnf100 smp100 tf100 neg99 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:02:14,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-14 15:02:14,396 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