./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.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 9e2ee8c77e7600963fc2d086d6a67558db7a0f7e2c16b0a6123902fd97149b36 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 14:59:13,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 14:59:13,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 14:59:13,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 14:59:13,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 14:59:13,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 14:59:13,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 14:59:13,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 14:59:13,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 14:59:13,177 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 14:59:13,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 14:59:13,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 14:59:13,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 14:59:13,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 14:59:13,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 14:59:13,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 14:59:13,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 14:59:13,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 14:59:13,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 14:59:13,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 14:59:13,196 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 14:59:13,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 14:59:13,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 14:59:13,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 14:59:13,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 14:59:13,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 14:59:13,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 14:59:13,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 14:59:13,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 14:59:13,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 14:59:13,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 14:59:13,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 14:59:13,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 14:59:13,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 14:59:13,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 14:59:13,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 14:59:13,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 14:59:13,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 14:59:13,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 14:59:13,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 14:59:13,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 14:59:13,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 14:59:13,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-14 14:59:13,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 14:59:13,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 14:59:13,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 14:59:13,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 14:59:13,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 14:59:13,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 14:59:13,240 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 14:59:13,240 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 14:59:13,240 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 14:59:13,240 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 14:59:13,240 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 14:59:13,240 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 14:59:13,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 14:59:13,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 14:59:13,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 14:59:13,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 14:59:13,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 14:59:13,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 14:59:13,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 14:59:13,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 14:59:13,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 14:59:13,242 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 14:59:13,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 14:59:13,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 14:59:13,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 14:59:13,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 14:59:13,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 14:59:13,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 14:59:13,243 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 14:59:13,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e2ee8c77e7600963fc2d086d6a67558db7a0f7e2c16b0a6123902fd97149b36 [2022-07-14 14:59:13,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 14:59:13,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 14:59:13,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 14:59:13,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 14:59:13,395 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 14:59:13,396 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i [2022-07-14 14:59:13,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19f723eb/99fe0e3ac0a5471e87e58cdfc93a976f/FLAG1dedaf44d [2022-07-14 14:59:13,818 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 14:59:13,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/NoriSharma-2013FSE-Fig8-alloca.i [2022-07-14 14:59:13,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19f723eb/99fe0e3ac0a5471e87e58cdfc93a976f/FLAG1dedaf44d [2022-07-14 14:59:13,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e19f723eb/99fe0e3ac0a5471e87e58cdfc93a976f [2022-07-14 14:59:13,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 14:59:13,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 14:59:13,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 14:59:13,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 14:59:13,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 14:59:13,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:59:13" (1/1) ... [2022-07-14 14:59:13,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26287fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:13, skipping insertion in model container [2022-07-14 14:59:13,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:59:13" (1/1) ... [2022-07-14 14:59:13,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 14:59:13,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 14:59:14,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:59:14,051 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 14:59:14,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 14:59:14,105 INFO L208 MainTranslator]: Completed translation [2022-07-14 14:59:14,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14 WrapperNode [2022-07-14 14:59:14,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 14:59:14,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 14:59:14,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 14:59:14,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 14:59:14,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,130 INFO L137 Inliner]: procedures = 109, calls = 35, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2022-07-14 14:59:14,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 14:59:14,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 14:59:14,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 14:59:14,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 14:59:14,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 14:59:14,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 14:59:14,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 14:59:14,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 14:59:14,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (1/1) ... [2022-07-14 14:59:14,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:14,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:14,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:14,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-14 14:59:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 14:59:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 14:59:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 14:59:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 14:59:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 14:59:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 14:59:14,252 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 14:59:14,253 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 14:59:14,412 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 14:59:14,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 14:59:14,416 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 14:59:14,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:59:14 BoogieIcfgContainer [2022-07-14 14:59:14,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 14:59:14,418 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 14:59:14,418 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 14:59:14,420 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 14:59:14,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:59:14,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 02:59:13" (1/3) ... [2022-07-14 14:59:14,421 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a3c3591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:59:14, skipping insertion in model container [2022-07-14 14:59:14,421 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:59:14,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:59:14" (2/3) ... [2022-07-14 14:59:14,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@a3c3591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 02:59:14, skipping insertion in model container [2022-07-14 14:59:14,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 14:59:14,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:59:14" (3/3) ... [2022-07-14 14:59:14,423 INFO L354 chiAutomizerObserver]: Analyzing ICFG NoriSharma-2013FSE-Fig8-alloca.i [2022-07-14 14:59:14,454 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 14:59:14,455 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 14:59:14,455 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 14:59:14,455 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 14:59:14,455 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 14:59:14,455 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 14:59:14,455 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 14:59:14,456 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 14:59:14,458 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:14,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:59:14,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:59:14,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:59:14,472 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 14:59:14,473 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 14:59:14,473 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 14:59:14,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:14,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:59:14,474 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:59:14,474 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:59:14,474 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 14:59:14,474 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 14:59:14,478 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 7#L560-2true [2022-07-14 14:59:14,479 INFO L754 eck$LassoCheckResult]: Loop: 7#L560-2true call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 8#L558-1true assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 6#L560true assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 7#L560-2true [2022-07-14 14:59:14,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:14,483 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-14 14:59:14,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:14,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837021369] [2022-07-14 14:59:14,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:14,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:14,797 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:14,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:14,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:14,878 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 1 times [2022-07-14 14:59:14,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:14,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926696004] [2022-07-14 14:59:14,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:14,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:14,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:14,919 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:14,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:14,920 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2022-07-14 14:59:14,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:14,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030847030] [2022-07-14 14:59:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:14,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:15,022 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:15,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:17,131 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:59:17,132 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:59:17,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:59:17,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:59:17,132 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:59:17,132 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:17,132 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:59:17,133 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:59:17,133 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration1_Lasso [2022-07-14 14:59:17,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:59:17,133 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:59:17,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:18,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:19,354 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:59:19,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:59:19,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:19,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:19,366 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:19,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 14:59:19,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:19,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:19,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:19,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:19,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:19,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:19,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:19,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:19,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:19,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:19,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:19,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 14:59:19,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:19,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:19,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:19,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:19,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:19,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:19,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:19,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:19,463 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-07-14 14:59:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:19,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:19,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:19,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 14:59:19,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:19,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:19,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:19,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:19,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:19,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:19,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:19,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:19,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-07-14 14:59:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:19,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:19,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:19,498 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 14:59:19,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:19,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:19,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:19,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:19,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:19,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:19,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:19,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:19,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:19,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:19,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:19,567 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:19,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 14:59:19,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:19,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:19,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:19,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:19,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:19,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:19,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:19,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:19,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 14:59:19,600 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-14 14:59:19,600 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-07-14 14:59:19,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:19,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:19,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:19,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 14:59:19,631 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 14:59:19,631 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 14:59:19,631 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 14:59:19,631 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 + 1 Supporting invariants [] [2022-07-14 14:59:19,646 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 [2022-07-14 14:59:19,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:20,152 INFO L293 tatePredicateManager]: 107 out of 109 supporting invariants were superfluous and have been removed [2022-07-14 14:59:20,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:20,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-14 14:59:20,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:20,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 14:59:20,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:20,360 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-14 14:59:20,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2022-07-14 14:59:20,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:59:20,574 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 [2022-07-14 14:59:20,575 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:20,637 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 32 transitions. Complement of second has 10 states. [2022-07-14 14:59:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-14 14:59:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2022-07-14 14:59:20,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-14 14:59:20,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:20,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-14 14:59:20,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:20,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-14 14:59:20,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:20,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2022-07-14 14:59:20,645 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:59:20,646 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2022-07-14 14:59:20,647 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-07-14 14:59:20,647 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-07-14 14:59:20,647 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2022-07-14 14:59:20,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 14:59:20,648 INFO L369 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-07-14 14:59:20,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2022-07-14 14:59:20,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-07-14 14:59:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:20,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-07-14 14:59:20,663 INFO L392 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-07-14 14:59:20,663 INFO L374 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-07-14 14:59:20,663 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 14:59:20,663 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-07-14 14:59:20,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:59:20,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:59:20,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:59:20,664 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-07-14 14:59:20,664 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 14:59:20,664 INFO L752 eck$LassoCheckResult]: Stem: 524#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 525#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 534#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 532#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 526#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 527#L560-2 [2022-07-14 14:59:20,665 INFO L754 eck$LassoCheckResult]: Loop: 527#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 530#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 533#L560 assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 527#L560-2 [2022-07-14 14:59:20,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:20,665 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-07-14 14:59:20,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:20,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823883044] [2022-07-14 14:59:20,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:20,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:20,711 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:20,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:20,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 2 times [2022-07-14 14:59:20,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:20,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003140212] [2022-07-14 14:59:20,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:20,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:20,751 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:20,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:20,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:20,757 INFO L85 PathProgramCache]: Analyzing trace with hash 179493189, now seen corresponding path program 1 times [2022-07-14 14:59:20,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:20,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629466072] [2022-07-14 14:59:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:20,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:20,850 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:20,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:27,335 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:59:27,336 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:59:27,336 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:59:27,336 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:59:27,336 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:59:27,336 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:27,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:59:27,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:59:27,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration2_Lasso [2022-07-14 14:59:27,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:59:27,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:59:27,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:27,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:29,896 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:59:29,896 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:59:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:29,897 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:29,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 14:59:29,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:29,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:29,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:29,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:29,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:29,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:29,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:29,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:29,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:29,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:29,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:29,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:29,936 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:29,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 14:59:29,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:29,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:29,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:29,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:29,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:29,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:29,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:29,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:29,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:29,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:29,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:29,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-14 14:59:29,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:29,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:29,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:29,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:29,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:29,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:29,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:29,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:29,998 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 [2022-07-14 14:59:29,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:29,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:29,999 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-14 14:59:30,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:30,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:30,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,025 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:30,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,026 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-14 14:59:30,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:30,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,034 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:30,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:30,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-07-14 14:59:30,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,053 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-14 14:59:30,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:30,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:30,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:30,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-14 14:59:30,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,096 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-14 14:59:30,098 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 [2022-07-14 14:59:30,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:30,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:30,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:30,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:30,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,129 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-14 14:59:30,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:30,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:30,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:30,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,168 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-14 14:59:30,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:30,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:30,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:30,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:30,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,205 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-14 14:59:30,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:30,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:30,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:30,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-07-14 14:59:30,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,232 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-14 14:59:30,235 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:30,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:30,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:30,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:30,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:30,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:30,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:30,258 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 14:59:30,273 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-07-14 14:59:30,273 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-07-14 14:59:30,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:30,280 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:30,284 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 14:59:30,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-14 14:59:30,297 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-07-14 14:59:30,297 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 14:59:30,297 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2 + 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2 - 1 >= 0] [2022-07-14 14:59:30,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:30,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:30,842 INFO L293 tatePredicateManager]: 100 out of 103 supporting invariants were superfluous and have been removed [2022-07-14 14:59:30,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:30,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 43 conjunts are in the unsatisfiable core [2022-07-14 14:59:30,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:30,949 INFO L356 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2022-07-14 14:59:30,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 517 treesize of output 513 [2022-07-14 14:59:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:31,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-14 14:59:31,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:31,229 INFO L356 Elim1Store]: treesize reduction 56, result has 49.5 percent of original size [2022-07-14 14:59:31,230 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 91 [2022-07-14 14:59:31,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:59:31,904 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 [2022-07-14 14:59:31,904 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:31,954 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 22 transitions. Complement of second has 9 states. [2022-07-14 14:59:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 14:59:31,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:31,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2022-07-14 14:59:31,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-14 14:59:31,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:31,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2022-07-14 14:59:31,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:31,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 5 letters. Loop has 6 letters. [2022-07-14 14:59:31,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:31,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2022-07-14 14:59:31,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:59:31,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 22 transitions. [2022-07-14 14:59:31,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-07-14 14:59:31,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-14 14:59:31,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2022-07-14 14:59:31,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 14:59:31,957 INFO L369 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-07-14 14:59:31,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2022-07-14 14:59:31,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-07-14 14:59:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2022-07-14 14:59:31,958 INFO L392 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-07-14 14:59:31,958 INFO L374 stractBuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2022-07-14 14:59:31,958 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-14 14:59:31,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2022-07-14 14:59:31,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 14:59:31,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:59:31,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:59:31,959 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1] [2022-07-14 14:59:31,959 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 14:59:31,959 INFO L752 eck$LassoCheckResult]: Stem: 1024#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1025#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 1035#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1038#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1037#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 1036#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1032#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1026#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 1027#L560-2 [2022-07-14 14:59:31,959 INFO L754 eck$LassoCheckResult]: Loop: 1027#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1030#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1040#L560 assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 1027#L560-2 [2022-07-14 14:59:31,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:31,959 INFO L85 PathProgramCache]: Analyzing trace with hash 179493187, now seen corresponding path program 2 times [2022-07-14 14:59:31,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:31,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102564109] [2022-07-14 14:59:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:31,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:32,039 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:32,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:32,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:32,060 INFO L85 PathProgramCache]: Analyzing trace with hash 36907, now seen corresponding path program 3 times [2022-07-14 14:59:32,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:32,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900932833] [2022-07-14 14:59:32,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:32,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:32,065 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:32,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:32,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:32,068 INFO L85 PathProgramCache]: Analyzing trace with hash 47257513, now seen corresponding path program 2 times [2022-07-14 14:59:32,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:32,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839774618] [2022-07-14 14:59:32,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:32,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:32,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:32,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:40,557 WARN L233 SmtUtils]: Spent 8.30s on a formula simplification. DAG size of input: 242 DAG size of output: 202 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:59:49,648 WARN L233 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 316] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-14 14:59:49,667 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 14:59:49,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 14:59:49,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 14:59:49,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 14:59:49,667 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 14:59:49,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:49,667 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 14:59:49,667 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 14:59:49,667 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration3_Lasso [2022-07-14 14:59:49,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 14:59:49,667 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 14:59:49,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:49,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:49,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:49,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 14:59:54,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 14:59:54,871 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 14:59:54,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:54,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:54,873 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:54,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-14 14:59:54,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:54,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:54,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:54,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:54,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:54,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:54,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:54,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:54,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:54,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:54,900 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:54,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-14 14:59:54,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:54,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:54,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:54,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:54,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:54,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:54,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:54,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:54,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:54,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:54,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:54,933 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 14:59:54,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-14 14:59:54,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:54,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:54,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 14:59:54,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:54,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:54,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:54,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 14:59:54,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 14:59:54,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:54,987 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 [2022-07-14 14:59:54,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:54,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:54,988 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) [2022-07-14 14:59:54,995 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 [2022-07-14 14:59:54,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,040 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 [2022-07-14 14:59:55,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,041 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) [2022-07-14 14:59:55,043 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 [2022-07-14 14:59:55,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,067 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 [2022-07-14 14:59:55,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,068 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) [2022-07-14 14:59:55,069 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 [2022-07-14 14:59:55,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,077 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,077 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-07-14 14:59:55,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,096 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) [2022-07-14 14:59:55,097 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 [2022-07-14 14:59:55,098 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 [2022-07-14 14:59:55,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:55,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,123 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) [2022-07-14 14:59:55,124 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 [2022-07-14 14:59:55,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:55,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,165 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) [2022-07-14 14:59:55,166 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 [2022-07-14 14:59:55,167 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 [2022-07-14 14:59:55,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,173 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,192 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 [2022-07-14 14:59:55,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,193 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) [2022-07-14 14:59:55,194 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 [2022-07-14 14:59:55,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-14 14:59:55,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,220 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) [2022-07-14 14:59:55,220 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 [2022-07-14 14:59:55,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,267 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 [2022-07-14 14:59:55,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,268 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) [2022-07-14 14:59:55,269 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 [2022-07-14 14:59:55,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,287 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,287 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-14 14:59:55,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,319 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) [2022-07-14 14:59:55,319 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 [2022-07-14 14:59:55,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,343 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 [2022-07-14 14:59:55,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,352 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) [2022-07-14 14:59:55,354 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 [2022-07-14 14:59:55,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,362 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 14:59:55,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:55,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,380 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) [2022-07-14 14:59:55,381 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 [2022-07-14 14:59:55,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 14:59:55,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 14:59:55,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 14:59:55,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 14:59:55,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 14:59:55,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 14:59:55,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 14:59:55,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 14:59:55,417 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-14 14:59:55,417 INFO L444 ModelExtractionUtils]: 16 out of 22 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-07-14 14:59:55,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 14:59:55,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 14:59:55,418 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) [2022-07-14 14:59:55,419 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 [2022-07-14 14:59:55,420 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 14:59:55,425 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-14 14:59:55,426 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 14:59:55,426 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3) = 2*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_3 - 2*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3 + 1 Supporting invariants [] [2022-07-14 14:59:55,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-07-14 14:59:55,689 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 [2022-07-14 14:59:55,993 INFO L293 tatePredicateManager]: 114 out of 116 supporting invariants were superfluous and have been removed [2022-07-14 14:59:56,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:56,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 31 conjunts are in the unsatisfiable core [2022-07-14 14:59:56,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:56,100 INFO L356 Elim1Store]: treesize reduction 32, result has 34.7 percent of original size [2022-07-14 14:59:56,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 2231 treesize of output 2223 [2022-07-14 14:59:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:56,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 14:59:56,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:56,515 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-14 14:59:56,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2022-07-14 14:59:56,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:59:56,581 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 14:59:56,581 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:56,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 8 states. [2022-07-14 14:59:56,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 14:59:56,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:56,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-07-14 14:59:56,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2022-07-14 14:59:56,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:56,648 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 14:59:56,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:56,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 24 conjunts are in the unsatisfiable core [2022-07-14 14:59:56,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:56,738 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-14 14:59:56,739 INFO L390 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 124 treesize of output 118 [2022-07-14 14:59:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:56,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 14:59:56,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:56,873 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-14 14:59:56,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2022-07-14 14:59:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:59:56,955 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 14:59:56,956 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:57,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 8 states. [2022-07-14 14:59:57,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 14:59:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-07-14 14:59:57,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 8 letters. Loop has 3 letters. [2022-07-14 14:59:57,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:57,004 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-14 14:59:57,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:57,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-14 14:59:57,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:57,094 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-14 14:59:57,094 INFO L390 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 305 treesize of output 287 [2022-07-14 14:59:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 14:59:57,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-14 14:59:57,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 14:59:57,193 INFO L356 Elim1Store]: treesize reduction 16, result has 63.6 percent of original size [2022-07-14 14:59:57,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 61 [2022-07-14 14:59:57,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 14:59:57,267 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 14:59:57,267 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:57,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 32 transitions. Complement of second has 7 states. [2022-07-14 14:59:57,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 14:59:57,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2022-07-14 14:59:57,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 3 letters. [2022-07-14 14:59:57,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:57,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 11 letters. Loop has 3 letters. [2022-07-14 14:59:57,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:57,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2022-07-14 14:59:57,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 14:59:57,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2022-07-14 14:59:57,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 14:59:57,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 20 states and 26 transitions. [2022-07-14 14:59:57,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-14 14:59:57,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-07-14 14:59:57,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-07-14 14:59:57,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 14:59:57,318 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-14 14:59:57,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-07-14 14:59:57,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 8. [2022-07-14 14:59:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 14:59:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2022-07-14 14:59:57,318 INFO L392 hiAutomatonCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 14:59:57,318 INFO L374 stractBuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2022-07-14 14:59:57,318 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-14 14:59:57,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2022-07-14 14:59:57,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 14:59:57,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 14:59:57,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 14:59:57,319 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-14 14:59:57,319 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 14:59:57,319 INFO L752 eck$LassoCheckResult]: Stem: 1731#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1732#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 1734#L560-2 [2022-07-14 14:59:57,319 INFO L754 eck$LassoCheckResult]: Loop: 1734#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 1738#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 1733#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 1734#L560-2 [2022-07-14 14:59:57,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:57,319 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-07-14 14:59:57,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:57,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815246057] [2022-07-14 14:59:57,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:57,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:57,344 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:57,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:57,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:57,365 INFO L85 PathProgramCache]: Analyzing trace with hash 36905, now seen corresponding path program 1 times [2022-07-14 14:59:57,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:57,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173756306] [2022-07-14 14:59:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:57,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:57,371 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:57,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 14:59:57,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 14:59:57,375 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 3 times [2022-07-14 14:59:57,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 14:59:57,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269291302] [2022-07-14 14:59:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 14:59:57,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 14:59:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:57,434 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 14:59:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 14:59:57,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:00,397 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 15:00:00,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 15:00:00,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 15:00:00,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 15:00:00,397 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 15:00:00,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:00,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 15:00:00,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 15:00:00,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: NoriSharma-2013FSE-Fig8-alloca.i_Iteration4_Lasso [2022-07-14 15:00:00,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 15:00:00,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 15:00:00,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:00,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:02,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 15:00:02,683 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 15:00:02,683 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 15:00:02,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,685 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) [2022-07-14 15:00:02,686 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 [2022-07-14 15:00:02,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:02,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:02,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,719 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 [2022-07-14 15:00:02,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,721 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:02,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-14 15:00:02,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,736 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:02,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,736 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:02,737 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:02,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-07-14 15:00:02,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,753 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) [2022-07-14 15:00:02,754 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 [2022-07-14 15:00:02,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:02,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:02,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:02,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-14 15:00:02,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,789 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) [2022-07-14 15:00:02,792 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 [2022-07-14 15:00:02,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:02,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:02,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:02,803 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 [2022-07-14 15:00:02,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,829 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 [2022-07-14 15:00:02,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,831 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) [2022-07-14 15:00:02,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:02,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:02,847 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 [2022-07-14 15:00:02,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,864 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 [2022-07-14 15:00:02,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,865 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) [2022-07-14 15:00:02,866 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 [2022-07-14 15:00:02,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:02,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:02,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:02,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,889 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 [2022-07-14 15:00:02,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,891 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) [2022-07-14 15:00:02,891 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 [2022-07-14 15:00:02,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:02,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:02,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,916 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 [2022-07-14 15:00:02,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,917 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) [2022-07-14 15:00:02,918 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 [2022-07-14 15:00:02,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:02,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:02,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,944 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 [2022-07-14 15:00:02,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,945 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) [2022-07-14 15:00:02,946 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 [2022-07-14 15:00:02,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:02,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:02,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,970 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-07-14 15:00:02,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,972 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) [2022-07-14 15:00:02,972 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 [2022-07-14 15:00:02,975 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:02,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:02,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:02,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:02,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:02,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:02,981 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:02,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:02,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:02,997 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 [2022-07-14 15:00:02,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:02,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:02,998 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) [2022-07-14 15:00:02,999 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 [2022-07-14 15:00:03,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-07-14 15:00:03,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,026 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) [2022-07-14 15:00:03,027 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 [2022-07-14 15:00:03,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,052 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 [2022-07-14 15:00:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,053 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) [2022-07-14 15:00:03,053 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 [2022-07-14 15:00:03,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-07-14 15:00:03,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,078 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) [2022-07-14 15:00:03,078 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 [2022-07-14 15:00:03,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,102 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-07-14 15:00:03,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,103 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) [2022-07-14 15:00:03,104 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 [2022-07-14 15:00:03,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:03,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,133 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) [2022-07-14 15:00:03,133 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 [2022-07-14 15:00:03,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,157 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 [2022-07-14 15:00:03,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,158 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) [2022-07-14 15:00:03,158 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 [2022-07-14 15:00:03,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:03,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:03,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2022-07-14 15:00:03,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,185 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) [2022-07-14 15:00:03,192 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 [2022-07-14 15:00:03,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:03,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:03,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-07-14 15:00:03,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,217 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) [2022-07-14 15:00:03,218 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 [2022-07-14 15:00:03,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-07-14 15:00:03,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,242 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) [2022-07-14 15:00:03,243 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 [2022-07-14 15:00:03,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:03,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:03,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-07-14 15:00:03,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,276 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:03,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-07-14 15:00:03,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-14 15:00:03,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-14 15:00:03,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-07-14 15:00:03,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,305 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:03,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-07-14 15:00:03,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 15:00:03,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-07-14 15:00:03,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,335 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:03,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-07-14 15:00:03,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 15:00:03,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 15:00:03,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 15:00:03,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 15:00:03,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 15:00:03,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 15:00:03,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 15:00:03,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 15:00:03,347 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 15:00:03,349 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-14 15:00:03,349 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-14 15:00:03,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 15:00:03,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:03,350 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-14 15:00:03,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-07-14 15:00:03,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 15:00:03,352 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-14 15:00:03,352 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 15:00:03,352 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_4 Supporting invariants [] [2022-07-14 15:00:03,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:03,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:03,844 INFO L293 tatePredicateManager]: 113 out of 116 supporting invariants were superfluous and have been removed [2022-07-14 15:00:03,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:03,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 29 conjunts are in the unsatisfiable core [2022-07-14 15:00:03,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:03,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-14 15:00:03,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:03,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-14 15:00:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:03,967 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-07-14 15:00:03,967 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:03,999 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 10 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 24 transitions. Complement of second has 7 states. [2022-07-14 15:00:03,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 15:00:04,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2022-07-14 15:00:04,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 2 letters. Loop has 3 letters. [2022-07-14 15:00:04,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:04,001 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 5 letters. Loop has 3 letters. [2022-07-14 15:00:04,001 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:04,002 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 5 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-14 15:00:04,002 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 15:00:04,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2022-07-14 15:00:04,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 15:00:04,005 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 18 transitions. [2022-07-14 15:00:04,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2022-07-14 15:00:04,006 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2022-07-14 15:00:04,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2022-07-14 15:00:04,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-14 15:00:04,006 INFO L369 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-07-14 15:00:04,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2022-07-14 15:00:04,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-07-14 15:00:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:04,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2022-07-14 15:00:04,008 INFO L392 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-14 15:00:04,008 INFO L374 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2022-07-14 15:00:04,008 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-14 15:00:04,008 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2022-07-14 15:00:04,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-14 15:00:04,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 15:00:04,010 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 15:00:04,011 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2022-07-14 15:00:04,011 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 15:00:04,011 INFO L752 eck$LassoCheckResult]: Stem: 2265#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~mem12#1, main_#t~mem13#1, main_~u~0#1.base, main_~u~0#1.offset, main_~x~0#1.base, main_~x~0#1.offset, main_~v~0#1.base, main_~v~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~w~0#1.base, main_~w~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~c~0#1.base, main_~c~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~u~0#1.base, main_~u~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~v~0#1.base, main_~v~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~w~0#1.base, main_~w~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset;call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4);main_~c~0#1.base, main_~c~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem9#1, main_~u~0#1.base, main_~u~0#1.offset, 4);havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem10#1, main_~v~0#1.base, main_~v~0#1.offset, 4);havoc main_#t~mem10#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem11#1, main_~w~0#1.base, main_~w~0#1.offset, 4);havoc main_#t~mem11#1;call write~int(0, main_~c~0#1.base, main_~c~0#1.offset, 4); 2271#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 2272#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 2269#L560 assume !(main_#t~mem15#1 > 1);havoc main_#t~mem15#1;call main_#t~mem19#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(1 + main_#t~mem19#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem19#1; 2270#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 2275#L558-1 [2022-07-14 15:00:04,011 INFO L754 eck$LassoCheckResult]: Loop: 2275#L558-1 assume !!(main_#t~mem12#1 >= main_#t~mem13#1);havoc main_#t~mem12#1;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~c~0#1.base, main_~c~0#1.offset, 4);call write~int(1 + main_#t~mem14#1, main_~c~0#1.base, main_~c~0#1.offset, 4);havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4); 2267#L560 assume main_#t~mem15#1 > 1;havoc main_#t~mem15#1;call main_#t~mem16#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem17#1 + main_#t~mem18#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem17#1;havoc main_#t~mem18#1; 2268#L560-2 call main_#t~mem12#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 2275#L558-1 [2022-07-14 15:00:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash 889571326, now seen corresponding path program 2 times [2022-07-14 15:00:04,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:04,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836073418] [2022-07-14 15:00:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:04,062 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:04,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:04,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:04,087 INFO L85 PathProgramCache]: Analyzing trace with hash 41795, now seen corresponding path program 2 times [2022-07-14 15:00:04,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:04,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918092653] [2022-07-14 15:00:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:04,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:04,094 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 15:00:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 15:00:04,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 15:00:04,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 15:00:04,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1271168550, now seen corresponding path program 3 times [2022-07-14 15:00:04,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 15:00:04,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888428615] [2022-07-14 15:00:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 15:00:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 15:00:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 15:00:04,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:04,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 15:00:04,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888428615] [2022-07-14 15:00:04,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888428615] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-14 15:00:04,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859772097] [2022-07-14 15:00:04,203 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-14 15:00:04,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-14 15:00:04,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 15:00:04,204 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-14 15:00:04,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2022-07-14 15:00:04,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-14 15:00:04,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 15:00:04,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-14 15:00:04,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 15:00:04,465 INFO L356 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2022-07-14 15:00:04,467 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 234439 treesize of output 233291 [2022-07-14 15:00:12,597 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-14 15:00:12,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-14 15:00:12,610 INFO L390 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 15 treesize of output 7 [2022-07-14 15:00:12,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 15:00:12,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 15:00:12,622 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1884 (Array Int Int))) (<= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~c~0#1.base| v_ArrVal_1884) |c_ULTIMATE.start_main_~z~0#1.base|) |c_ULTIMATE.start_main_~z~0#1.offset|) 1)) is different from false [2022-07-14 15:00:12,648 INFO L390 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 121 treesize of output 109 [2022-07-14 15:00:12,651 INFO L390 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 106 treesize of output 102 [2022-07-14 15:00:12,653 INFO L390 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 102 treesize of output 94 [2022-07-14 15:00:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-07-14 15:00:12,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859772097] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 15:00:12,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-14 15:00:12,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-07-14 15:00:12,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392003891] [2022-07-14 15:00:12,694 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-14 15:00:12,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 15:00:12,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-14 15:00:12,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=50, Unknown=1, NotChecked=14, Total=90 [2022-07-14 15:00:12,847 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 10 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 15:00:12,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 15:00:12,893 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2022-07-14 15:00:12,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 15:00:12,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 15 transitions. [2022-07-14 15:00:12,894 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:00:12,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2022-07-14 15:00:12,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 15:00:12,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 15:00:12,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 15:00:12,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 15:00:12,894 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:12,894 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:12,894 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 15:00:12,894 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-14 15:00:12,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 15:00:12,895 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 15:00:12,895 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 15:00:12,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 03:00:12 BoogieIcfgContainer [2022-07-14 15:00:12,898 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 15:00:12,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 15:00:12,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 15:00:12,899 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 15:00:12,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:59:14" (3/4) ... [2022-07-14 15:00:12,901 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 15:00:12,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 15:00:12,901 INFO L158 Benchmark]: Toolchain (without parser) took 59065.01ms. Allocated memory was 123.7MB in the beginning and 750.8MB in the end (delta: 627.0MB). Free memory was 99.3MB in the beginning and 350.6MB in the end (delta: -251.3MB). Peak memory consumption was 374.7MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,901 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:12,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.03ms. Allocated memory is still 123.7MB. Free memory was 99.3MB in the beginning and 91.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.43ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 90.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,902 INFO L158 Benchmark]: Boogie Preprocessor took 16.60ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 88.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,902 INFO L158 Benchmark]: RCFGBuilder took 269.14ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 74.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,902 INFO L158 Benchmark]: BuchiAutomizer took 58480.66ms. Allocated memory was 123.7MB in the beginning and 750.8MB in the end (delta: 627.0MB). Free memory was 74.5MB in the beginning and 351.6MB in the end (delta: -277.2MB). Peak memory consumption was 351.4MB. Max. memory is 16.1GB. [2022-07-14 15:00:12,902 INFO L158 Benchmark]: Witness Printer took 2.00ms. Allocated memory is still 750.8MB. Free memory was 351.6MB in the beginning and 350.6MB in the end (delta: 990.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 15:00:12,903 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 123.7MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.03ms. Allocated memory is still 123.7MB. Free memory was 99.3MB in the beginning and 91.8MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.43ms. Allocated memory is still 123.7MB. Free memory was 91.8MB in the beginning and 90.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.60ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 88.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.14ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 74.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 58480.66ms. Allocated memory was 123.7MB in the beginning and 750.8MB in the end (delta: 627.0MB). Free memory was 74.5MB in the beginning and 351.6MB in the end (delta: -277.2MB). Peak memory consumption was 351.4MB. Max. memory is 16.1GB. * Witness Printer took 2.00ms. Allocated memory is still 750.8MB. Free memory was 351.6MB in the beginning and 350.6MB in the end (delta: 990.4kB). 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 (1 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 6 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + unknown-#memory_int-unknown[z][z] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 4 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x][x] + -2 * unknown-#memory_int-unknown[y][y] + 1 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 58.4s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 55.2s. Construction of modules took 0.1s. Büchi inclusion checks took 2.9s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 10 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 17 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital28809 mio100 ax101 hnf100 lsp98 ukn20 mio100 lsp39 div100 bol100 ite100 ukn100 eq196 hnf87 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 15:00:12,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2022-07-14 15:00:13,140 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