./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 20:28:21,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 20:28:21,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 20:28:21,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 20:28:21,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 20:28:21,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 20:28:21,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 20:28:21,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 20:28:21,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 20:28:21,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 20:28:21,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 20:28:21,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 20:28:21,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 20:28:21,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 20:28:21,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 20:28:21,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 20:28:21,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 20:28:21,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 20:28:21,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 20:28:21,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 20:28:21,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 20:28:21,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 20:28:21,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 20:28:21,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 20:28:21,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 20:28:21,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 20:28:21,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 20:28:21,237 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 20:28:21,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 20:28:21,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 20:28:21,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 20:28:21,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 20:28:21,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 20:28:21,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 20:28:21,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 20:28:21,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 20:28:21,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 20:28:21,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 20:28:21,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 20:28:21,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 20:28:21,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 20:28:21,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 20:28:21,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 20:28:21,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 20:28:21,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 20:28:21,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 20:28:21,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 20:28:21,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 20:28:21,267 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 20:28:21,267 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 20:28:21,267 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 20:28:21,267 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 20:28:21,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 20:28:21,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 20:28:21,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 20:28:21,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 20:28:21,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 20:28:21,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 20:28:21,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 20:28:21,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 20:28:21,270 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 20:28:21,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 20:28:21,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 20:28:21,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 20:28:21,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 20:28:21,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 20:28:21,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 20:28:21,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 20:28:21,272 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 20:28:21,272 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b [2021-12-19 20:28:21,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 20:28:21,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 20:28:21,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 20:28:21,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 20:28:21,499 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 20:28:21,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2021-12-19 20:28:21,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b4269895/5d924c88860b480d8bf139a48a82109f/FLAG1c325733a [2021-12-19 20:28:22,077 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 20:28:22,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2021-12-19 20:28:22,087 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b4269895/5d924c88860b480d8bf139a48a82109f/FLAG1c325733a [2021-12-19 20:28:22,579 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b4269895/5d924c88860b480d8bf139a48a82109f [2021-12-19 20:28:22,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 20:28:22,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 20:28:22,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 20:28:22,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 20:28:22,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 20:28:22,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:22,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a03d883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22, skipping insertion in model container [2021-12-19 20:28:22,602 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:22,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 20:28:22,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 20:28:22,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:28:22,922 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 20:28:22,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 20:28:22,966 INFO L208 MainTranslator]: Completed translation [2021-12-19 20:28:22,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22 WrapperNode [2021-12-19 20:28:22,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 20:28:22,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 20:28:22,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 20:28:22,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 20:28:22,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:22,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,010 INFO L137 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2021-12-19 20:28:23,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 20:28:23,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 20:28:23,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 20:28:23,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 20:28:23,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 20:28:23,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 20:28:23,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 20:28:23,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 20:28:23,027 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (1/1) ... [2021-12-19 20:28:23,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:23,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:23,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:23,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-19 20:28:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-19 20:28:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-19 20:28:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-19 20:28:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-19 20:28:23,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 20:28:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 20:28:23,190 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 20:28:23,192 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 20:28:23,341 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 20:28:23,347 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 20:28:23,347 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 20:28:23,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:28:23 BoogieIcfgContainer [2021-12-19 20:28:23,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 20:28:23,349 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 20:28:23,349 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 20:28:23,352 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 20:28:23,353 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:28:23,353 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 08:28:22" (1/3) ... [2021-12-19 20:28:23,354 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@279503a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 08:28:23, skipping insertion in model container [2021-12-19 20:28:23,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:28:23,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 08:28:22" (2/3) ... [2021-12-19 20:28:23,354 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@279503a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 08:28:23, skipping insertion in model container [2021-12-19 20:28:23,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 20:28:23,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:28:23" (3/3) ... [2021-12-19 20:28:23,355 INFO L388 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-1.i [2021-12-19 20:28:23,386 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 20:28:23,386 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 20:28:23,386 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 20:28:23,386 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 20:28:23,386 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 20:28:23,386 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 20:28:23,386 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 20:28:23,387 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 20:28:23,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:23,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-19 20:28:23,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:23,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:23,413 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:23,413 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:28:23,414 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 20:28:23,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:23,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-19 20:28:23,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:23,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:23,415 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:23,416 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:28:23,420 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 9#L515true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 6#L515-2true main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 17#L517true assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 10#L517-2true call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1));main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 11#L520true assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 5#L521-3true [2021-12-19 20:28:23,421 INFO L793 eck$LassoCheckResult]: Loop: 5#L521-3true assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet7#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet7#1; 7#L521-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 5#L521-3true [2021-12-19 20:28:23,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:23,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2021-12-19 20:28:23,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:23,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013581168] [2021-12-19 20:28:23,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:23,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:23,504 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:23,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526094617] [2021-12-19 20:28:23,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:23,506 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:23,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:23,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:23,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-19 20:28:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:23,620 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:23,642 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:23,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:23,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2021-12-19 20:28:23,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:23,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368352301] [2021-12-19 20:28:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:23,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:23,702 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:23,716 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:23,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2021-12-19 20:28:23,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:23,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202973849] [2021-12-19 20:28:23,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:23,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:23,744 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:23,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527696804] [2021-12-19 20:28:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:23,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:23,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:23,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:23,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-19 20:28:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:23,845 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:23,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:24,303 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:28:24,304 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:28:24,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:28:24,304 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:28:24,304 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:28:24,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:24,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:28:24,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:28:24,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration1_Lasso [2021-12-19 20:28:24,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:28:24,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:28:24,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:24,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:25,251 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:28:25,256 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:28:25,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:25,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:25,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:25,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-19 20:28:25,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:25,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:25,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:25,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:25,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:25,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:25,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:25,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:25,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:25,311 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 [2021-12-19 20:28:25,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:25,314 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:25,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-19 20:28:25,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:25,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:25,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:25,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:25,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:25,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:25,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:25,359 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:28:25,387 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-12-19 20:28:25,388 INFO L444 ModelExtractionUtils]: 10 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-12-19 20:28:25,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:25,396 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:25,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-19 20:28:25,398 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:28:25,412 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-19 20:28:25,412 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:28:25,412 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2021-12-19 20:28:25,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-19 20:28:25,447 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-19 20:28:25,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:25,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-19 20:28:25,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:25,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 20:28:25,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:25,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:25,578 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-19 20:28:25,580 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:25,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 35 states and 46 transitions. Complement of second has 7 states. [2021-12-19 20:28:25,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-19 20:28:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-12-19 20:28:25,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-19 20:28:25,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:25,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-19 20:28:25,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:25,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-19 20:28:25,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:25,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2021-12-19 20:28:25,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:28:25,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 13 states and 17 transitions. [2021-12-19 20:28:25,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-19 20:28:25,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-19 20:28:25,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2021-12-19 20:28:25,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:25,682 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-19 20:28:25,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2021-12-19 20:28:25,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-12-19 20:28:25,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:25,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2021-12-19 20:28:25,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:25,711 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-19 20:28:25,711 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2021-12-19 20:28:25,711 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 20:28:25,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2021-12-19 20:28:25,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:28:25,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:25,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:25,712 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:25,712 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:28:25,712 INFO L791 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 139#L515 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 136#L515-2 main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 137#L517 assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 140#L517-2 call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1));main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 141#L520 assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 131#L521-3 assume !(main_~i~0#1 < main_~length~0#1); 132#L521-4 main_~j~0#1 := 0; 135#L524-3 [2021-12-19 20:28:25,712 INFO L793 eck$LassoCheckResult]: Loop: 135#L524-3 assume !!(main_~j~0#1 < main_~length~0#1 * main_~fac~0#1);call main_#t~mem9#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int(main_#t~mem9#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem9#1; 138#L524-2 main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 135#L524-3 [2021-12-19 20:28:25,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:25,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2021-12-19 20:28:25,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:25,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072431825] [2021-12-19 20:28:25,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:25,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:25,726 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:25,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358793747] [2021-12-19 20:28:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:25,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:25,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:25,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:25,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-19 20:28:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:25,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-19 20:28:25,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:25,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-19 20:28:25,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 20:28:25,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072431825] [2021-12-19 20:28:25,820 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-19 20:28:25,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358793747] [2021-12-19 20:28:25,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358793747] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 20:28:25,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 20:28:25,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-19 20:28:25,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954383472] [2021-12-19 20:28:25,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 20:28:25,825 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-19 20:28:25,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2021-12-19 20:28:25,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:25,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916076688] [2021-12-19 20:28:25,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:25,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:25,832 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:25,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1344058204] [2021-12-19 20:28:25,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:25,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:25,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:25,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:25,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-19 20:28:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:25,863 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:25,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:26,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 20:28:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-19 20:28:26,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-19 20:28:26,605 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:26,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 20:28:26,649 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-12-19 20:28:26,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-19 20:28:26,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-12-19 20:28:26,651 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:28:26,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2021-12-19 20:28:26,652 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-12-19 20:28:26,652 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-12-19 20:28:26,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-12-19 20:28:26,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:26,652 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-19 20:28:26,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-12-19 20:28:26,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2021-12-19 20:28:26,653 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) [2021-12-19 20:28:26,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-12-19 20:28:26,653 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 20:28:26,653 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-12-19 20:28:26,653 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-19 20:28:26,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-12-19 20:28:26,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-19 20:28:26,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 20:28:26,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 20:28:26,654 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 20:28:26,654 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-19 20:28:26,654 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 197#L515 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 194#L515-2 main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 195#L517 assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 198#L517-2 call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1));main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 199#L520 assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 189#L521-3 assume !!(main_~i~0#1 < main_~length~0#1);call write~int(main_#t~nondet7#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet7#1; 190#L521-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 191#L521-3 assume !(main_~i~0#1 < main_~length~0#1); 192#L521-4 main_~j~0#1 := 0; 193#L524-3 [2021-12-19 20:28:26,655 INFO L793 eck$LassoCheckResult]: Loop: 193#L524-3 assume !!(main_~j~0#1 < main_~length~0#1 * main_~fac~0#1);call main_#t~mem9#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int(main_#t~mem9#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem9#1; 196#L524-2 main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 193#L524-3 [2021-12-19 20:28:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2021-12-19 20:28:26,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:26,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631879624] [2021-12-19 20:28:26,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:26,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:26,660 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:26,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1844635564] [2021-12-19 20:28:26,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:26,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:26,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:26,662 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:26,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-19 20:28:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:26,717 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:26,732 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:26,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:26,733 INFO L85 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2021-12-19 20:28:26,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:26,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221140318] [2021-12-19 20:28:26,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:26,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:26,736 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:26,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [728311937] [2021-12-19 20:28:26,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-19 20:28:26,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:26,738 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:26,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-19 20:28:26,766 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-19 20:28:26,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-12-19 20:28:26,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:26,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2021-12-19 20:28:26,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 20:28:26,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077965965] [2021-12-19 20:28:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:26,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 20:28:26,777 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-19 20:28:26,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679581398] [2021-12-19 20:28:26,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 20:28:26,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-19 20:28:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:26,779 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-19 20:28:26,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-19 20:28:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:26,838 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 20:28:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 20:28:26,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 20:28:34,144 INFO L210 LassoAnalysis]: Preferences: [2021-12-19 20:28:34,145 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-19 20:28:34,145 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-19 20:28:34,145 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-19 20:28:34,145 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-19 20:28:34,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:34,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-19 20:28:34,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-19 20:28:34,145 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration3_Lasso [2021-12-19 20:28:34,145 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-19 20:28:34,145 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-19 20:28:34,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:34,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-19 20:28:44,019 WARN L227 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 80 DAG size of output: 71 (called from [L 441] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.mapelimination.MapEliminator.setFormulaAndSimplify) [2021-12-19 20:28:51,047 WARN L227 SmtUtils]: Spent 6.53s on a formula simplification. DAG size of input: 106 DAG size of output: 84 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-12-19 20:28:52,734 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-19 20:28:52,734 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-19 20:28:52,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,737 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-19 20:28:52,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:52,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:52,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:52,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,769 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-19 20:28:52,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:52,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:52,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,824 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-19 20:28:52,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:52,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:52,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,861 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-19 20:28:52,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:52,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:52,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,901 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-19 20:28:52,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:52,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:52,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:52,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,931 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-19 20:28:52,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:52,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:52,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:52,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,961 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-19 20:28:52,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:52,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:52,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:52,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:52,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:52,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:52,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:52,988 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:52,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-19 20:28:52,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:52,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:52,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:52,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:52,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:52,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:52,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:52,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:53,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,021 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 [2021-12-19 20:28:53,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,023 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-19 20:28:53,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:53,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:53,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,057 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-19 20:28:53,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:53,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:53,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:53,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,107 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-19 20:28:53,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:53,118 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:53,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,151 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 [2021-12-19 20:28:53,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,152 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-19 20:28:53,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-19 20:28:53,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-19 20:28:53,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-19 20:28:53,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,180 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-19 20:28:53,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,193 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:53,193 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:53,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,214 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-19 20:28:53,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:53,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:53,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,254 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-19 20:28:53,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:53,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:53,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,296 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-19 20:28:53,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,311 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-19 20:28:53,311 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-19 20:28:53,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-19 20:28:53,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-19 20:28:53,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,333 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-19 20:28:53,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-19 20:28:53,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-19 20:28:53,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-19 20:28:53,342 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-19 20:28:53,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-19 20:28:53,364 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-12-19 20:28:53,364 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-19 20:28:53,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-19 20:28:53,508 INFO L443 ModelExtractionUtils]: Simplification made 27 calls to the SMT solver. [2021-12-19 20:28:53,508 INFO L444 ModelExtractionUtils]: 30 out of 66 variables were initially zero. Simplification set additionally 32 variables to zero. [2021-12-19 20:28:53,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 20:28:53,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 20:28:53,510 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-19 20:28:53,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-19 20:28:53,512 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-19 20:28:53,534 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2021-12-19 20:28:53,534 INFO L513 LassoAnalysis]: Proved termination. [2021-12-19 20:28:53,534 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~arr2~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 - 4*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~arr2~0#1.offset Supporting invariants [] [2021-12-19 20:28:53,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:53,625 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-19 20:28:53,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 20:28:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:53,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-19 20:28:53,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 20:28:53,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-19 20:28:53,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-19 20:28:53,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 20:28:53,717 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-19 20:28:53,717 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:53,768 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 5 states. [2021-12-19 20:28:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-19 20:28:53,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 20:28:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-19 20:28:53,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-19 20:28:53,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:53,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-19 20:28:53,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:53,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-19 20:28:53,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-19 20:28:53,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-12-19 20:28:53,770 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 20:28:53,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-12-19 20:28:53,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-19 20:28:53,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-19 20:28:53,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-19 20:28:53,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 20:28:53,771 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:28:53,771 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:28:53,771 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 20:28:53,771 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-19 20:28:53,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-19 20:28:53,771 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-19 20:28:53,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-19 20:28:53,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 08:28:53 BoogieIcfgContainer [2021-12-19 20:28:53,779 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 20:28:53,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 20:28:53,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 20:28:53,779 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 20:28:53,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 08:28:23" (3/4) ... [2021-12-19 20:28:53,782 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-19 20:28:53,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 20:28:53,784 INFO L158 Benchmark]: Toolchain (without parser) took 31195.45ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 54.8MB in the beginning and 62.5MB in the end (delta: -7.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-12-19 20:28:53,784 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:28:53,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.21ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 61.1MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 20:28:53,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.87ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 59.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 20:28:53,785 INFO L158 Benchmark]: Boogie Preprocessor took 14.61ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 57.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:28:53,789 INFO L158 Benchmark]: RCFGBuilder took 322.26ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 47.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 20:28:53,790 INFO L158 Benchmark]: BuchiAutomizer took 30429.35ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 47.4MB in the beginning and 62.5MB in the end (delta: -15.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-12-19 20:28:53,790 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 136.3MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 20:28:53,792 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 90.2MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.21ms. Allocated memory is still 90.2MB. Free memory was 54.6MB in the beginning and 61.1MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.87ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 59.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.61ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 57.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.26ms. Allocated memory is still 90.2MB. Free memory was 57.8MB in the beginning and 47.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 30429.35ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 47.4MB in the beginning and 62.5MB in the end (delta: -15.1MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 136.3MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + length and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (fac*length*sizeof(int))] + -4 * j + -1 * arr2 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 29.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 37 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital297 mio100 ax108 hnf100 lsp151 ukn51 mio100 lsp65 div304 bol100 ite100 ukn100 eq144 hnf66 smp78 dnf110 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 202ms VariablesStem: 20 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-19 20:28:53,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:54,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:54,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:54,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:54,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-19 20:28:54,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-19 20:28:55,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-19 20:28:55,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-19 20:28:55,434 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