./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11C.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-recursive-malloc/rec_malloc_ex11C.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a21396952d3c1812f4afc7acd202b7f8106d7865729c99629f4c895e2f73a4f9 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 09:31:26,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 09:31:26,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 09:31:26,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 09:31:26,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 09:31:26,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 09:31:26,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 09:31:26,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 09:31:26,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 09:31:26,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 09:31:26,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 09:31:26,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 09:31:26,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 09:31:26,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 09:31:26,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 09:31:26,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 09:31:26,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 09:31:26,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 09:31:26,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 09:31:26,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 09:31:26,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 09:31:26,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 09:31:26,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 09:31:26,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 09:31:26,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 09:31:26,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 09:31:26,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 09:31:26,213 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 09:31:26,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 09:31:26,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 09:31:26,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 09:31:26,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 09:31:26,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 09:31:26,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 09:31:26,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 09:31:26,218 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 09:31:26,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 09:31:26,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 09:31:26,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 09:31:26,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 09:31:26,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 09:31:26,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-16 09:31:26,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 09:31:26,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 09:31:26,248 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 09:31:26,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 09:31:26,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 09:31:26,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 09:31:26,249 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 09:31:26,249 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 09:31:26,249 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 09:31:26,249 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 09:31:26,250 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 09:31:26,250 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 09:31:26,251 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 09:31:26,252 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 09:31:26,252 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 09:31:26,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 09:31:26,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 09:31:26,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 09:31:26,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 09:31:26,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 09:31:26,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 09:31:26,257 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 09:31:26,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 09:31:26,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 09:31:26,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 09:31:26,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 09:31:26,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 09:31:26,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 09:31:26,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 09:31:26,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 09:31:26,263 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a21396952d3c1812f4afc7acd202b7f8106d7865729c99629f4c895e2f73a4f9 [2021-12-16 09:31:26,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 09:31:26,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 09:31:26,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 09:31:26,452 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 09:31:26,452 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 09:31:26,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11C.i [2021-12-16 09:31:26,498 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b816fec9/88bcf0217416402084c67137e161bf85/FLAGf9776cf06 [2021-12-16 09:31:26,814 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 09:31:26,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11C.i [2021-12-16 09:31:26,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b816fec9/88bcf0217416402084c67137e161bf85/FLAGf9776cf06 [2021-12-16 09:31:27,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b816fec9/88bcf0217416402084c67137e161bf85 [2021-12-16 09:31:27,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 09:31:27,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 09:31:27,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 09:31:27,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 09:31:27,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 09:31:27,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e4e133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27, skipping insertion in model container [2021-12-16 09:31:27,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 09:31:27,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 09:31:27,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:31:27,397 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 09:31:27,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 09:31:27,414 INFO L208 MainTranslator]: Completed translation [2021-12-16 09:31:27,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27 WrapperNode [2021-12-16 09:31:27,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 09:31:27,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 09:31:27,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 09:31:27,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 09:31:27,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,440 INFO L137 Inliner]: procedures = 11, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2021-12-16 09:31:27,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 09:31:27,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 09:31:27,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 09:31:27,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 09:31:27,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 09:31:27,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 09:31:27,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 09:31:27,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 09:31:27,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (1/1) ... [2021-12-16 09:31:27,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:27,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:27,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:27,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 09:31:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 09:31:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-12-16 09:31:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-12-16 09:31:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 09:31:27,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 09:31:27,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 09:31:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 09:31:27,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 09:31:27,616 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 09:31:27,617 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 09:31:27,730 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 09:31:27,734 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 09:31:27,734 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 09:31:27,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:31:27 BoogieIcfgContainer [2021-12-16 09:31:27,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 09:31:27,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 09:31:27,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 09:31:27,739 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 09:31:27,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:31:27,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 09:31:27" (1/3) ... [2021-12-16 09:31:27,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a24e422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:31:27, skipping insertion in model container [2021-12-16 09:31:27,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:31:27,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:31:27" (2/3) ... [2021-12-16 09:31:27,741 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a24e422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 09:31:27, skipping insertion in model container [2021-12-16 09:31:27,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 09:31:27,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:31:27" (3/3) ... [2021-12-16 09:31:27,742 INFO L388 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11C.i [2021-12-16 09:31:27,771 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 09:31:27,771 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 09:31:27,771 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 09:31:27,771 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 09:31:27,771 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 09:31:27,771 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 09:31:27,771 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 09:31:27,772 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 09:31:27,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:27,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:31:27,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:31:27,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:31:27,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-16 09:31:27,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:27,811 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 09:31:27,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:27,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:31:27,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:31:27,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:31:27,814 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-16 09:31:27,814 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:27,819 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 10#L31-3true [2021-12-16 09:31:27,819 INFO L793 eck$LassoCheckResult]: Loop: 10#L31-3true call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 15#L31-1true assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 18#L35true assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 20#L39true call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 13#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 11#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 17#recFINALtrue assume true; 16#recEXITtrue >#44#return; 8#L39-1true assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 4#L39-3true call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 10#L31-3true [2021-12-16 09:31:27,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:27,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-12-16 09:31:27,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:27,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213384285] [2021-12-16 09:31:27,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:27,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:27,892 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:27,912 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:27,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:27,914 INFO L85 PathProgramCache]: Analyzing trace with hash -2107477180, now seen corresponding path program 1 times [2021-12-16 09:31:27,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:27,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208698920] [2021-12-16 09:31:27,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:27,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 09:31:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:28,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:31:28,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208698920] [2021-12-16 09:31:28,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208698920] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 09:31:28,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 09:31:28,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-16 09:31:28,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506642359] [2021-12-16 09:31:28,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 09:31:28,134 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-16 09:31:28,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:31:28,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 09:31:28,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-16 09:31:28,162 INFO L87 Difference]: Start difference. First operand has 18 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-16 09:31:28,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:31:28,248 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2021-12-16 09:31:28,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 09:31:28,255 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2021-12-16 09:31:28,257 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:31:28,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 19 transitions. [2021-12-16 09:31:28,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-16 09:31:28,261 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-16 09:31:28,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-12-16 09:31:28,262 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:31:28,263 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-16 09:31:28,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-12-16 09:31:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-16 09:31:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-16 09:31:28,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-12-16 09:31:28,280 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-16 09:31:28,280 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-16 09:31:28,281 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 09:31:28,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-12-16 09:31:28,281 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-16 09:31:28,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:31:28,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:31:28,282 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-16 09:31:28,282 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:28,283 INFO L791 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 60#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 58#L31-3 [2021-12-16 09:31:28,283 INFO L793 eck$LassoCheckResult]: Loop: 58#L31-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 66#L31-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 70#L35 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 62#L39 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 69#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 67#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 63#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 69#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 67#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 68#recFINAL assume true; 71#recEXIT >#42#return; 61#L18-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~res~0; 64#recFINAL assume true; 72#recEXIT >#44#return; 65#L39-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 57#L39-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 58#L31-3 [2021-12-16 09:31:28,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:28,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 2 times [2021-12-16 09:31:28,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:28,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356605180] [2021-12-16 09:31:28,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:28,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:28,291 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:28,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:28,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:28,304 INFO L85 PathProgramCache]: Analyzing trace with hash 290320444, now seen corresponding path program 1 times [2021-12-16 09:31:28,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:28,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801110741] [2021-12-16 09:31:28,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:28,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:28,333 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:28,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:28,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:28,375 INFO L85 PathProgramCache]: Analyzing trace with hash -645910274, now seen corresponding path program 1 times [2021-12-16 09:31:28,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:28,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076428465] [2021-12-16 09:31:28,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:28,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:28,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:28,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:29,623 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:31:29,623 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:31:29,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:31:29,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:31:29,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:31:29,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:29,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:31:29,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:31:29,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11C.i_Iteration2_Lasso [2021-12-16 09:31:29,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:31:29,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:31:29,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:29,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:31:29,943 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:31:29,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:29,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:29,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:29,962 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 [2021-12-16 09:31:29,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:29,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:29,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:29,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:29,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:29,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:29,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:29,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 09:31:29,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,020 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 09:31:30,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,096 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 09:31:30,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:30,106 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:30,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 09:31:30,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,157 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,176 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 [2021-12-16 09:31:30,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,177 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 09:31:30,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:30,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:30,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,209 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 09:31:30,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-16 09:31:30,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,235 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-16 09:31:30,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,277 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-16 09:31:30,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,303 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-16 09:31:30,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,310 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,311 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,338 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-16 09:31:30,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,363 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-16 09:31:30,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,365 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-16 09:31:30,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,422 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-16 09:31:30,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:30,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:30,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:30,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:30,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,456 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-16 09:31:30,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:30,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:30,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:30,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:30,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:30,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:30,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:30,479 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:31:30,529 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-16 09:31:30,529 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-16 09:31:30,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:30,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:30,544 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:30,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-16 09:31:30,567 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:31:30,589 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:31:30,589 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:31:30,589 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0#1.base) ULTIMATE.start_main_~qq~0#1.offset)_1 Supporting invariants [] [2021-12-16 09:31:30,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-16 09:31:30,608 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-16 09:31:30,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:30,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 09:31:30,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:30,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 22 conjunts are in the unsatisfiable core [2021-12-16 09:31:30,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:30,752 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-16 09:31:30,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2021-12-16 09:31:30,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-16 09:31:30,779 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-16 09:31:30,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-12-16 09:31:30,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:30,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-12-16 09:31:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-16 09:31:30,949 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2021-12-16 09:31:30,949 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:31,058 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 62 states and 73 transitions. Complement of second has 17 states. [2021-12-16 09:31:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-12-16 09:31:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 17 transitions. [2021-12-16 09:31:31,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 16 letters. [2021-12-16 09:31:31,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:31,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 18 letters. Loop has 16 letters. [2021-12-16 09:31:31,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:31,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 17 transitions. Stem has 2 letters. Loop has 32 letters. [2021-12-16 09:31:31,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:31,063 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 73 transitions. [2021-12-16 09:31:31,065 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-16 09:31:31,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 56 states and 67 transitions. [2021-12-16 09:31:31,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-12-16 09:31:31,067 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-12-16 09:31:31,067 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 67 transitions. [2021-12-16 09:31:31,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:31:31,067 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 67 transitions. [2021-12-16 09:31:31,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 67 transitions. [2021-12-16 09:31:31,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 51. [2021-12-16 09:31:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 8 states have call successors, (8), 5 states have call predecessors, (8), 6 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2021-12-16 09:31:31,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 60 transitions. [2021-12-16 09:31:31,072 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-12-16 09:31:31,072 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 60 transitions. [2021-12-16 09:31:31,072 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 09:31:31,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 60 transitions. [2021-12-16 09:31:31,073 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-16 09:31:31,073 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:31:31,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:31:31,074 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:31,074 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 09:31:31,074 INFO L791 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 254#L31-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 257#L31-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 267#L35 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 259#L39 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 263#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 258#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 245#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 261#recENTRY [2021-12-16 09:31:31,074 INFO L793 eck$LassoCheckResult]: Loop: 261#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 288#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 246#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 261#recENTRY [2021-12-16 09:31:31,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:31,075 INFO L85 PathProgramCache]: Analyzing trace with hash -498407605, now seen corresponding path program 1 times [2021-12-16 09:31:31,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:31,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278654107] [2021-12-16 09:31:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:31,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:31,088 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:31,100 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:31,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 1 times [2021-12-16 09:31:31,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:31,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106334227] [2021-12-16 09:31:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:31,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:31,108 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:31,112 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:31,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:31,113 INFO L85 PathProgramCache]: Analyzing trace with hash -359018118, now seen corresponding path program 2 times [2021-12-16 09:31:31,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:31,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293324509] [2021-12-16 09:31:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:31,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:31,127 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:31,142 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:32,599 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:31:32,599 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:31:32,599 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:31:32,599 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:31:32,599 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:31:32,599 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:32,599 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:31:32,599 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:31:32,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11C.i_Iteration3_Lasso [2021-12-16 09:31:32,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:31:32,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:31:32,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:32,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:33,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:31:33,067 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:31:33,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,077 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-16 09:31:33,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-16 09:31:33,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-16 09:31:33,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-16 09:31:33,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,164 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 09:31:33,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,209 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-16 09:31:33,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,248 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 [2021-12-16 09:31:33,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,250 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-16 09:31:33,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,290 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-16 09:31:33,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,332 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-16 09:31:33,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-16 09:31:33,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,373 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-16 09:31:33,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,409 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-16 09:31:33,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,437 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-16 09:31:33,440 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,487 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 [2021-12-16 09:31:33,488 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,489 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-16 09:31:33,514 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-16 09:31:33,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,515 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-16 09:31:33,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-16 09:31:33,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,557 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-16 09:31:33,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:33,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:33,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:33,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,593 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-16 09:31:33,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,620 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-16 09:31:33,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,682 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-16 09:31:33,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,690 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-12-16 09:31:33,690 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-16 09:31:33,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,702 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2021-12-16 09:31:33,703 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-16 09:31:33,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,760 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-16 09:31:33,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,792 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-16 09:31:33,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,793 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-16 09:31:33,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-16 09:31:33,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,833 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-16 09:31:33,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:33,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-16 09:31:33,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,874 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-16 09:31:33,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:33,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:33,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:33,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:33,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:33,886 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:33,886 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:33,890 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:31:33,909 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-16 09:31:33,909 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-16 09:31:33,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:33,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:33,910 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:33,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-16 09:31:33,914 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:31:33,927 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:31:33,927 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:31:33,927 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) rec_#in~op.offset)_1 + 1 Supporting invariants [] [2021-12-16 09:31:33,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:33,946 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-12-16 09:31:33,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:34,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-16 09:31:34,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:34,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-16 09:31:34,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:34,116 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-16 09:31:34,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2021-12-16 09:31:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:34,156 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-16 09:31:34,156 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:31:34,240 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 60 transitions. cyclomatic complexity: 14. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 122 transitions. Complement of second has 17 states. [2021-12-16 09:31:34,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-16 09:31:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 09:31:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-12-16 09:31:34,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2021-12-16 09:31:34,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:34,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2021-12-16 09:31:34,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:34,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2021-12-16 09:31:34,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:34,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 122 transitions. [2021-12-16 09:31:34,249 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-16 09:31:34,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 87 states and 110 transitions. [2021-12-16 09:31:34,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2021-12-16 09:31:34,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-12-16 09:31:34,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 110 transitions. [2021-12-16 09:31:34,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:31:34,255 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 110 transitions. [2021-12-16 09:31:34,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 110 transitions. [2021-12-16 09:31:34,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2021-12-16 09:31:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 63 states have internal predecessors, (69), 14 states have call successors, (14), 11 states have call predecessors, (14), 10 states have return successors, (19), 8 states have call predecessors, (19), 14 states have call successors, (19) [2021-12-16 09:31:34,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2021-12-16 09:31:34,280 INFO L704 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2021-12-16 09:31:34,280 INFO L587 BuchiCegarLoop]: Abstraction has 83 states and 102 transitions. [2021-12-16 09:31:34,280 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 09:31:34,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 83 states and 102 transitions. [2021-12-16 09:31:34,283 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-12-16 09:31:34,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:31:34,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:31:34,285 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:34,286 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:34,286 INFO L791 eck$LassoCheckResult]: Stem: 470#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 471#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 486#L31-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 488#L31-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 538#L35 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 510#L39 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 537#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 536#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 476#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 534#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 493#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 494#recFINAL assume true; 503#recEXIT >#42#return; 517#L18-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~res~0; 515#recFINAL assume true; 509#recEXIT >#44#return; 484#L39-1 assume !(-1 == main_#t~ret12#1);main_#t~ite13#1 := 1; 466#L39-3 [2021-12-16 09:31:34,286 INFO L793 eck$LassoCheckResult]: Loop: 466#L39-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 467#L31-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 518#L31-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 516#L35 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 506#L39 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 507#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 522#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 513#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 507#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 522#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 523#recFINAL assume true; 524#recEXIT >#42#return; 514#L18-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~res~0; 521#recFINAL assume true; 512#recEXIT >#44#return; 508#L39-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 466#L39-3 [2021-12-16 09:31:34,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:34,287 INFO L85 PathProgramCache]: Analyzing trace with hash -713572475, now seen corresponding path program 1 times [2021-12-16 09:31:34,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:34,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990620020] [2021-12-16 09:31:34,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:34,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-16 09:31:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 09:31:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:34,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-16 09:31:34,403 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 09:31:34,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990620020] [2021-12-16 09:31:34,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990620020] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-16 09:31:34,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773027108] [2021-12-16 09:31:34,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:34,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-16 09:31:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:34,420 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-16 09:31:34,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-12-16 09:31:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:34,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-16 09:31:34,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:34,511 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-12-16 09:31:34,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 31 [2021-12-16 09:31:34,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:34,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-12-16 09:31:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:34,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-16 09:31:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:34,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773027108] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-16 09:31:34,933 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-16 09:31:34,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-12-16 09:31:34,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461629560] [2021-12-16 09:31:34,934 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-16 09:31:34,934 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-16 09:31:34,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash 542882406, now seen corresponding path program 2 times [2021-12-16 09:31:34,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:34,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314986948] [2021-12-16 09:31:34,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:34,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:34,945 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:34,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:35,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 09:31:35,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-16 09:31:35,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2021-12-16 09:31:35,759 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. cyclomatic complexity: 26 Second operand has 19 states, 16 states have (on average 1.4375) internal successors, (23), 14 states have internal predecessors, (23), 3 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-16 09:31:35,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 09:31:35,941 INFO L93 Difference]: Finished difference Result 97 states and 130 transitions. [2021-12-16 09:31:35,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-16 09:31:35,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 130 transitions. [2021-12-16 09:31:35,949 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-16 09:31:35,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 60 states and 77 transitions. [2021-12-16 09:31:35,950 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-12-16 09:31:35,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-12-16 09:31:35,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 77 transitions. [2021-12-16 09:31:35,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-16 09:31:35,951 INFO L681 BuchiCegarLoop]: Abstraction has 60 states and 77 transitions. [2021-12-16 09:31:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 77 transitions. [2021-12-16 09:31:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 45. [2021-12-16 09:31:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.125) internal successors, (36), 35 states have internal predecessors, (36), 8 states have call successors, (8), 6 states have call predecessors, (8), 5 states have return successors, (10), 3 states have call predecessors, (10), 6 states have call successors, (10) [2021-12-16 09:31:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2021-12-16 09:31:35,955 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-16 09:31:35,955 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-16 09:31:35,955 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 09:31:35,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2021-12-16 09:31:35,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-16 09:31:35,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 09:31:35,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 09:31:35,956 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 09:31:35,956 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 09:31:35,956 INFO L791 eck$LassoCheckResult]: Stem: 794#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 795#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~ret12#1, main_#t~ite13#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_#t~mem8#1, main_~qq~0#1.base, main_~qq~0#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnHeap(4);main_~qq~0#1.base, main_~qq~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;havoc main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call write~int(main_#t~nondet7#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~nondet7#1; 803#L31-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 804#L31-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 819#L35 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 815#L39 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 814#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 816#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 798#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 832#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 812#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 813#recFINAL assume true; 825#recEXIT >#42#return; 824#L18-1 ~res~0 := #t~ret5;havoc #t~ret5;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~res~0; 823#recFINAL assume true; 821#recEXIT >#44#return; 802#L39-1 assume -1 == main_#t~ret12#1;main_#t~ite13#1 := -1; 792#L39-3 call write~int(main_#t~mem14#1 + main_#t~ite13#1, main_~qq~0#1.base, main_~qq~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~ret12#1;havoc main_#t~ite13#1; 793#L31-3 call main_#t~mem8#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 806#L31-1 assume !!(main_#t~mem8#1 > 1);havoc main_#t~mem8#1;call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnHeap(4);main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;havoc main_#t~malloc9#1.base, main_#t~malloc9#1.offset;call write~int(main_#t~nondet10#1, main_~pp~0#1.base, main_~pp~0#1.offset, 4);havoc main_#t~nondet10#1;call main_#t~mem11#1 := read~int(main_~pp~0#1.base, main_~pp~0#1.offset, 4); 818#L35 assume !(main_#t~mem11#1 < 0);havoc main_#t~mem11#1;call main_#t~mem14#1 := read~int(main_~qq~0#1.base, main_~qq~0#1.offset, 4); 809#L39 call main_#t~ret12#1 := rec(main_~pp~0#1.base, main_~pp~0#1.offset);< 808#recENTRY [2021-12-16 09:31:35,956 INFO L793 eck$LassoCheckResult]: Loop: 808#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 811#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4; 807#L18 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 808#recENTRY [2021-12-16 09:31:35,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash -873815595, now seen corresponding path program 2 times [2021-12-16 09:31:35,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:35,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800065656] [2021-12-16 09:31:35,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:35,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:35,971 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:35,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:35,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:35,986 INFO L85 PathProgramCache]: Analyzing trace with hash 29956, now seen corresponding path program 2 times [2021-12-16 09:31:35,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:35,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228182638] [2021-12-16 09:31:35,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:35,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:35,991 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:35,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:35,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash -43609424, now seen corresponding path program 3 times [2021-12-16 09:31:35,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 09:31:35,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798717866] [2021-12-16 09:31:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 09:31:35,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 09:31:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:36,015 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 09:31:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 09:31:36,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 09:31:38,782 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 09:31:38,782 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 09:31:38,782 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 09:31:38,782 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 09:31:38,783 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 09:31:38,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:38,783 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 09:31:38,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 09:31:38,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11C.i_Iteration5_Lasso [2021-12-16 09:31:38,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 09:31:38,783 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 09:31:38,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:38,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 09:31:39,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 09:31:39,510 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 09:31:39,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,513 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-16 09:31:39,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,550 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-16 09:31:39,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,577 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-16 09:31:39,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,586 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-16 09:31:39,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,616 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-16 09:31:39,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,656 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,673 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-16 09:31:39,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,682 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:39,682 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:39,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-16 09:31:39,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,713 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-16 09:31:39,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-16 09:31:39,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,764 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-16 09:31:39,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,790 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-16 09:31:39,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,842 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-16 09:31:39,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,869 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-16 09:31:39,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,879 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:39,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:39,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-16 09:31:39,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,910 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-16 09:31:39,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,951 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-16 09:31:39,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,960 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:39,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:39,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:39,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:39,977 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:39,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-16 09:31:39,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:39,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:39,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 09:31:39,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:39,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:39,986 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:39,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 09:31:39,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 09:31:39,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:40,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-16 09:31:40,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:40,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:40,012 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:40,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-16 09:31:40,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:40,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:40,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:40,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:40,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:40,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:40,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:40,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:40,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:40,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:40,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:40,071 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:40,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-16 09:31:40,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:40,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:40,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:40,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:40,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:40,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:40,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:40,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:40,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:40,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:40,113 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:40,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-16 09:31:40,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:40,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:40,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:40,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:40,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:40,123 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:40,123 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:40,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 09:31:40,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:40,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:40,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:40,155 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:40,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-16 09:31:40,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 09:31:40,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 09:31:40,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 09:31:40,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 09:31:40,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 09:31:40,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 09:31:40,168 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 09:31:40,182 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 09:31:40,197 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-12-16 09:31:40,197 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-12-16 09:31:40,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 09:31:40,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 09:31:40,207 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 09:31:40,209 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 09:31:40,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-16 09:31:40,228 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 09:31:40,228 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 09:31:40,228 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2021-12-16 09:31:40,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:40,249 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-16 09:31:40,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:40,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-16 09:31:40,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:40,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-16 09:31:40,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:40,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 09:31:40,516 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-16 09:31:40,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-12-16 09:31:40,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:40,548 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-16 09:31:40,548 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:40,624 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 55 states and 65 transitions. Complement of second has 15 states. [2021-12-16 09:31:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-16 09:31:40,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:40,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2021-12-16 09:31:40,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-16 09:31:40,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:40,626 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:31:40,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:40,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-16 09:31:40,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:40,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-16 09:31:40,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:40,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 09:31:40,869 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-16 09:31:40,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-12-16 09:31:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:40,893 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-16 09:31:40,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:40,975 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 55 states and 65 transitions. Complement of second has 15 states. [2021-12-16 09:31:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-16 09:31:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:40,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2021-12-16 09:31:40,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-16 09:31:40,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:40,978 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-16 09:31:40,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 09:31:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:41,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-16 09:31:41,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:41,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 09:31:41,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 23 conjunts are in the unsatisfiable core [2021-12-16 09:31:41,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 09:31:41,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-16 09:31:41,305 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-12-16 09:31:41,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 34 [2021-12-16 09:31:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 09:31:41,341 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-12-16 09:31:41,341 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13 Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:41,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 13. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 68 states and 78 transitions. Complement of second has 16 states. [2021-12-16 09:31:41,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-16 09:31:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-16 09:31:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2021-12-16 09:31:41,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-16 09:31:41,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:41,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 25 letters. Loop has 3 letters. [2021-12-16 09:31:41,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:41,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 22 letters. Loop has 6 letters. [2021-12-16 09:31:41,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 09:31:41,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 78 transitions. [2021-12-16 09:31:41,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:31:41,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 0 states and 0 transitions. [2021-12-16 09:31:41,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 09:31:41,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 09:31:41,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 09:31:41,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 09:31:41,478 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:31:41,478 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:31:41,478 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 09:31:41,478 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 09:31:41,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 09:31:41,479 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 09:31:41,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 09:31:41,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 09:31:41 BoogieIcfgContainer [2021-12-16 09:31:41,483 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 09:31:41,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 09:31:41,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 09:31:41,484 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 09:31:41,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:31:27" (3/4) ... [2021-12-16 09:31:41,486 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 09:31:41,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 09:31:41,486 INFO L158 Benchmark]: Toolchain (without parser) took 14230.19ms. Allocated memory was 104.9MB in the beginning and 224.4MB in the end (delta: 119.5MB). Free memory was 76.6MB in the beginning and 161.9MB in the end (delta: -85.3MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-12-16 09:31:41,486 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:31:41,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.45ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 131.7MB in the end (delta: -55.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-16 09:31:41,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.05ms. Allocated memory is still 155.2MB. Free memory was 131.7MB in the beginning and 130.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-16 09:31:41,487 INFO L158 Benchmark]: Boogie Preprocessor took 35.85ms. Allocated memory is still 155.2MB. Free memory was 130.3MB in the beginning and 129.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:31:41,487 INFO L158 Benchmark]: RCFGBuilder took 257.79ms. Allocated memory is still 155.2MB. Free memory was 129.0MB in the beginning and 117.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 09:31:41,487 INFO L158 Benchmark]: BuchiAutomizer took 13746.34ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 117.7MB in the beginning and 161.9MB in the end (delta: -44.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-12-16 09:31:41,487 INFO L158 Benchmark]: Witness Printer took 2.33ms. Allocated memory is still 224.4MB. Free memory is still 161.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 09:31:41,504 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.45ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 76.6MB in the beginning and 131.7MB in the end (delta: -55.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.05ms. Allocated memory is still 155.2MB. Free memory was 131.7MB in the beginning and 130.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.85ms. Allocated memory is still 155.2MB. Free memory was 130.3MB in the beginning and 129.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 257.79ms. Allocated memory is still 155.2MB. Free memory was 129.0MB in the beginning and 117.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 13746.34ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 117.7MB in the beginning and 161.9MB in the end (delta: -44.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 2.33ms. Allocated memory is still 224.4MB. Free memory is still 161.9MB. 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 8 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][op] + 1 and consists of 5 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 7 locations. 2 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 11.2s. Construction of modules took 0.2s. Büchi inclusion checks took 2.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 83 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 4/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 254 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 321 IncrementalHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 82 mSDtfsCounter, 321 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital370 mio100 ax100 hnf100 lsp98 ukn37 mio100 lsp26 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf467 smp77 tf100 neg84 sie160 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-16 09:31:41,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-12-16 09:31:41,735 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