./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c 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/Ben-Amram-2010LMCS-Ex2.3-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 07b282ace126e2e6034cb3e18e52d69833dcd5d95d5a3123bfc5247b81ecd1aa --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 03:16:53,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 03:16:53,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 03:16:53,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 03:16:53,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 03:16:53,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 03:16:53,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 03:16:53,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 03:16:53,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 03:16:53,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 03:16:53,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 03:16:53,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 03:16:53,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 03:16:53,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 03:16:53,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 03:16:53,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 03:16:53,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 03:16:53,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 03:16:53,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 03:16:53,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 03:16:53,925 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 03:16:53,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 03:16:53,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 03:16:53,927 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 03:16:53,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 03:16:53,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 03:16:53,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 03:16:53,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 03:16:53,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 03:16:53,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 03:16:53,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 03:16:53,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 03:16:53,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 03:16:53,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 03:16:53,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 03:16:53,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 03:16:53,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 03:16:53,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 03:16:53,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 03:16:53,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 03:16:53,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 03:16:53,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 03:16:53,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-13 03:16:53,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 03:16:53,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 03:16:53,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 03:16:53,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 03:16:53,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 03:16:53,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 03:16:53,961 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 03:16:53,962 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 03:16:53,962 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 03:16:53,962 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 03:16:53,962 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 03:16:53,963 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 03:16:53,963 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 03:16:53,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 03:16:53,963 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 03:16:53,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 03:16:53,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 03:16:53,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 03:16:53,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 03:16:53,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 03:16:53,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 03:16:53,965 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 03:16:53,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 03:16:53,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 03:16:53,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 03:16:53,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 03:16:53,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 03:16:53,966 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 03:16:53,966 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 03:16:53,966 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07b282ace126e2e6034cb3e18e52d69833dcd5d95d5a3123bfc5247b81ecd1aa [2022-07-13 03:16:54,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 03:16:54,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 03:16:54,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 03:16:54,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 03:16:54,198 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 03:16:54,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2022-07-13 03:16:54,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a8ac640/15ab3506e2a54d5eb56598a1e0313942/FLAGb90d86d23 [2022-07-13 03:16:54,561 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 03:16:54,566 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Ben-Amram-2010LMCS-Ex2.3-alloca.i [2022-07-13 03:16:54,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a8ac640/15ab3506e2a54d5eb56598a1e0313942/FLAGb90d86d23 [2022-07-13 03:16:54,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98a8ac640/15ab3506e2a54d5eb56598a1e0313942 [2022-07-13 03:16:54,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 03:16:54,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 03:16:54,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 03:16:54,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 03:16:54,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 03:16:54,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:16:54" (1/1) ... [2022-07-13 03:16:55,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc0cbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55, skipping insertion in model container [2022-07-13 03:16:55,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 03:16:54" (1/1) ... [2022-07-13 03:16:55,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 03:16:55,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 03:16:55,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:16:55,191 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 03:16:55,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 03:16:55,240 INFO L208 MainTranslator]: Completed translation [2022-07-13 03:16:55,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55 WrapperNode [2022-07-13 03:16:55,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 03:16:55,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 03:16:55,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 03:16:55,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 03:16:55,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,284 INFO L137 Inliner]: procedures = 110, calls = 29, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2022-07-13 03:16:55,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 03:16:55,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 03:16:55,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 03:16:55,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 03:16:55,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 03:16:55,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 03:16:55,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 03:16:55,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 03:16:55,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (1/1) ... [2022-07-13 03:16:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:55,342 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) [2022-07-13 03:16:55,349 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 [2022-07-13 03:16:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-13 03:16:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-13 03:16:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-13 03:16:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-13 03:16:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 03:16:55,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 03:16:55,446 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 03:16:55,447 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 03:16:55,605 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 03:16:55,608 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 03:16:55,609 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 03:16:55,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:16:55 BoogieIcfgContainer [2022-07-13 03:16:55,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 03:16:55,611 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 03:16:55,611 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 03:16:55,616 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 03:16:55,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:16:55,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 03:16:54" (1/3) ... [2022-07-13 03:16:55,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2faf8be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:16:55, skipping insertion in model container [2022-07-13 03:16:55,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:16:55,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 03:16:55" (2/3) ... [2022-07-13 03:16:55,618 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2faf8be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 03:16:55, skipping insertion in model container [2022-07-13 03:16:55,618 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 03:16:55,618 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:16:55" (3/3) ... [2022-07-13 03:16:55,623 INFO L354 chiAutomizerObserver]: Analyzing ICFG Ben-Amram-2010LMCS-Ex2.3-alloca.i [2022-07-13 03:16:55,656 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 03:16:55,657 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 03:16:55,657 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 03:16:55,657 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 03:16:55,657 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 03:16:55,657 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 03:16:55,657 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 03:16:55,657 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 03:16:55,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) 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) [2022-07-13 03:16:55,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:55,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:16:55,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:16:55,673 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:16:55,673 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:16:55,673 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 03:16:55,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) 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) [2022-07-13 03:16:55,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:55,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:16:55,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:16:55,675 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-13 03:16:55,675 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:16:55,679 INFO L752 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#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~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~mem20#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~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_~y~0#1.base, main_~y~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_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet7#1; 8#L555-2true [2022-07-13 03:16:55,679 INFO L754 eck$LassoCheckResult]: Loop: 8#L555-2true call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 9#L554-1true assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 7#L554-3true main_#t~short12#1 := main_#t~short10#1; 11#L554-4true assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 12#L554-6true assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 4#L555true assume main_#t~mem13#1 > main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem17#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem17#1; 8#L555-2true [2022-07-13 03:16:55,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:55,683 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-13 03:16:55,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:55,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040812302] [2022-07-13 03:16:55,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:55,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:55,855 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:55,892 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:55,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2022-07-13 03:16:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:55,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568841817] [2022-07-13 03:16:55,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:55,939 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:55,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:55,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:55,981 INFO L85 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2022-07-13 03:16:55,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:55,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011177705] [2022-07-13 03:16:55,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:55,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:56,030 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:56,050 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:56,795 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:16:56,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:16:56,796 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:16:56,796 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:16:56,796 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:16:56,796 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:56,796 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:16:56,796 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:16:56,797 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration1_Lasso [2022-07-13 03:16:56,797 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:16:56,797 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:16:56,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:56,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:16:57,569 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:16:57,572 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:16:57,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,580 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) [2022-07-13 03:16:57,581 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 [2022-07-13 03:16:57,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:16:57,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,621 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 [2022-07-13 03:16:57,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,623 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) [2022-07-13 03:16:57,638 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 [2022-07-13 03:16:57,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:16:57,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,646 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,646 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-13 03:16:57,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,671 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) [2022-07-13 03:16:57,681 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 [2022-07-13 03:16:57,682 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 [2022-07-13 03:16:57,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-13 03:16:57,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,718 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) [2022-07-13 03:16:57,719 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 [2022-07-13 03:16:57,720 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 [2022-07-13 03:16:57,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,725 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,725 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:57,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:57,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,777 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 [2022-07-13 03:16:57,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,779 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) [2022-07-13 03:16:57,780 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 [2022-07-13 03:16:57,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:16:57,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-13 03:16:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,819 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) [2022-07-13 03:16:57,820 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 [2022-07-13 03:16:57,822 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 [2022-07-13 03:16:57,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,843 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 [2022-07-13 03:16:57,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,845 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) [2022-07-13 03:16:57,846 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 [2022-07-13 03:16:57,847 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 [2022-07-13 03:16:57,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,853 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:57,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:57,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,881 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 [2022-07-13 03:16:57,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,883 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) [2022-07-13 03:16:57,883 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 [2022-07-13 03:16:57,885 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 [2022-07-13 03:16:57,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,907 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 [2022-07-13 03:16:57,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,908 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) [2022-07-13 03:16:57,912 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 [2022-07-13 03:16:57,913 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 [2022-07-13 03:16:57,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:57,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-13 03:16:57,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,950 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) [2022-07-13 03:16:57,952 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 [2022-07-13 03:16:57,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:16:57,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:57,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:57,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:57,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-13 03:16:57,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:57,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:57,986 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) [2022-07-13 03:16:57,987 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 [2022-07-13 03:16:57,988 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 [2022-07-13 03:16:57,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:57,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:57,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:57,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:57,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:57,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:57,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:58,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-13 03:16:58,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,018 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) [2022-07-13 03:16:58,019 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 [2022-07-13 03:16:58,020 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 [2022-07-13 03:16:58,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:58,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:58,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:58,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-07-13 03:16:58,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,049 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) [2022-07-13 03:16:58,050 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 [2022-07-13 03:16:58,051 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 [2022-07-13 03:16:58,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:58,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:58,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:58,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,079 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 [2022-07-13 03:16:58,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,080 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) [2022-07-13 03:16:58,081 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 [2022-07-13 03:16:58,083 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 [2022-07-13 03:16:58,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,088 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:58,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,088 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,088 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,089 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:58,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:58,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,106 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 [2022-07-13 03:16:58,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,107 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) [2022-07-13 03:16:58,108 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 [2022-07-13 03:16:58,109 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 [2022-07-13 03:16:58,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:58,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:58,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,144 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 [2022-07-13 03:16:58,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,145 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) [2022-07-13 03:16:58,146 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 [2022-07-13 03:16:58,147 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 [2022-07-13 03:16:58,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:16:58,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:16:58,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:16:58,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,172 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 [2022-07-13 03:16:58,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,174 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) [2022-07-13 03:16:58,174 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 [2022-07-13 03:16:58,176 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 [2022-07-13 03:16:58,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:58,191 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:58,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-07-13 03:16:58,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,212 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) [2022-07-13 03:16:58,213 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 [2022-07-13 03:16:58,214 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 [2022-07-13 03:16:58,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:58,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:58,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-13 03:16:58,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,250 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:16:58,252 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 [2022-07-13 03:16:58,253 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 [2022-07-13 03:16:58,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,262 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:58,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:58,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:16:58,289 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-07-13 03:16:58,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,291 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) [2022-07-13 03:16:58,292 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 [2022-07-13 03:16:58,293 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 [2022-07-13 03:16:58,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:16:58,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:16:58,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:16:58,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:16:58,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:16:58,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:16:58,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:16:58,340 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-13 03:16:58,340 INFO L444 ModelExtractionUtils]: 9 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-13 03:16:58,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:16:58,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:58,363 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) [2022-07-13 03:16:58,408 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 [2022-07-13 03:16:58,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:16:58,431 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:16:58,431 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:16:58,432 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_~z~0#1.base) ULTIMATE.start_main_~z~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) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_1 + 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 Supporting invariants [] [2022-07-13 03:16:58,450 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 [2022-07-13 03:16:58,535 INFO L293 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2022-07-13 03:16:58,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:16:58,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 03:16:58,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:16:58,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-07-13 03:16:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:16:58,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-13 03:16:58,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:16:58,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:16:58,740 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 [2022-07-13 03:16:58,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) 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) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2022-07-13 03:16:58,811 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) 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). Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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 34 states and 48 transitions. Complement of second has 10 states. [2022-07-13 03:16:58,812 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 [2022-07-13 03:16:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 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) [2022-07-13 03:16:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2022-07-13 03:16:58,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-13 03:16:58,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:16:58,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 8 letters. Loop has 6 letters. [2022-07-13 03:16:58,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:16:58,818 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 2 letters. Loop has 12 letters. [2022-07-13 03:16:58,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:16:58,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 48 transitions. [2022-07-13 03:16:58,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:58,822 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 22 states and 31 transitions. [2022-07-13 03:16:58,822 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-13 03:16:58,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-07-13 03:16:58,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2022-07-13 03:16:58,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:16:58,823 INFO L369 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2022-07-13 03:16:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2022-07-13 03:16:58,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-07-13 03:16:58,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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) [2022-07-13 03:16:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2022-07-13 03:16:58,838 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2022-07-13 03:16:58,838 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2022-07-13 03:16:58,838 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 03:16:58,838 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 28 transitions. [2022-07-13 03:16:58,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:58,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:16:58,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:16:58,839 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:16:58,839 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:16:58,839 INFO L752 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 208#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~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~mem20#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~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_~y~0#1.base, main_~y~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_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet7#1; 219#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 215#L554-1 assume !main_#t~short10#1; 222#L554-3 main_#t~short12#1 := main_#t~short10#1; 221#L554-4 assume !main_#t~short12#1; 216#L554-6 [2022-07-13 03:16:58,839 INFO L754 eck$LassoCheckResult]: Loop: 216#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 218#L555 assume main_#t~mem13#1 > main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem17#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem17#1; 204#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 213#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 209#L554-3 main_#t~short12#1 := main_#t~short10#1; 210#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 216#L554-6 [2022-07-13 03:16:58,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:58,839 INFO L85 PathProgramCache]: Analyzing trace with hash 889571245, now seen corresponding path program 1 times [2022-07-13 03:16:58,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:58,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630991200] [2022-07-13 03:16:58,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:58,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:58,857 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:58,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:58,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:58,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1629309642, now seen corresponding path program 2 times [2022-07-13 03:16:58,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:58,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247717083] [2022-07-13 03:16:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:58,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:58,878 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:58,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:58,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:58,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2128502410, now seen corresponding path program 1 times [2022-07-13 03:16:58,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:58,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026771696] [2022-07-13 03:16:58,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:16:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:16:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:16:58,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026771696] [2022-07-13 03:16:58,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026771696] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:16:58,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:16:58,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 03:16:58,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074970625] [2022-07-13 03:16:58,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:16:59,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:16:59,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 03:16:59,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 03:16:59,239 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:16:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:16:59,248 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2022-07-13 03:16:59,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 03:16:59,249 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2022-07-13 03:16:59,252 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:59,253 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2022-07-13 03:16:59,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-13 03:16:59,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-13 03:16:59,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-07-13 03:16:59,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:16:59,254 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-13 03:16:59,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-07-13 03:16:59,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-13 03:16:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-07-13 03:16:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-07-13 03:16:59,258 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-13 03:16:59,258 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-07-13 03:16:59,258 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 03:16:59,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-07-13 03:16:59,259 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:59,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:16:59,259 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:16:59,259 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:16:59,259 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:16:59,260 INFO L752 eck$LassoCheckResult]: Stem: 256#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 257#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~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~mem20#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~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_~y~0#1.base, main_~y~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_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet7#1; 265#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 264#L554-1 assume !main_#t~short10#1; 271#L554-3 main_#t~short12#1 := main_#t~short10#1; 270#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 269#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 252#L555 assume !(main_#t~mem13#1 > main_#t~mem14#1);havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem18#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem18#1;call write~int(main_#t~nondet19#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet19#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem20#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem20#1; 253#L555-2 [2022-07-13 03:16:59,260 INFO L754 eck$LassoCheckResult]: Loop: 253#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 262#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 258#L554-3 main_#t~short12#1 := main_#t~short10#1; 259#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 266#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 268#L555 assume main_#t~mem13#1 > main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem17#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem17#1; 253#L555-2 [2022-07-13 03:16:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 179473424, now seen corresponding path program 1 times [2022-07-13 03:16:59,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:59,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966778283] [2022-07-13 03:16:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:59,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:16:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:16:59,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:16:59,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966778283] [2022-07-13 03:16:59,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966778283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 03:16:59,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 03:16:59,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 03:16:59,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168444018] [2022-07-13 03:16:59,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 03:16:59,298 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-13 03:16:59,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 3 times [2022-07-13 03:16:59,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:59,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518206829] [2022-07-13 03:16:59,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:59,319 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:59,333 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:59,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:16:59,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 03:16:59,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-13 03:16:59,516 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2022-07-13 03:16:59,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:16:59,532 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-07-13 03:16:59,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 03:16:59,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 29 transitions. [2022-07-13 03:16:59,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:59,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 20 states and 23 transitions. [2022-07-13 03:16:59,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-13 03:16:59,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-13 03:16:59,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2022-07-13 03:16:59,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:16:59,534 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-07-13 03:16:59,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2022-07-13 03:16:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-13 03:16:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:16:59,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-07-13 03:16:59,535 INFO L392 hiAutomatonCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-07-13 03:16:59,535 INFO L374 stractBuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-07-13 03:16:59,535 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-13 03:16:59,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2022-07-13 03:16:59,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:16:59,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:16:59,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:16:59,536 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:16:59,536 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:16:59,536 INFO L752 eck$LassoCheckResult]: Stem: 311#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 312#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~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~mem20#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~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_~y~0#1.base, main_~y~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_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet7#1; 322#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 319#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 313#L554-3 main_#t~short12#1 := main_#t~short10#1; 314#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 320#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 307#L555 assume !(main_#t~mem13#1 > main_#t~mem14#1);havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem18#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem18#1;call write~int(main_#t~nondet19#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet19#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem20#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem20#1; 308#L555-2 [2022-07-13 03:16:59,536 INFO L754 eck$LassoCheckResult]: Loop: 308#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 317#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 326#L554-3 main_#t~short12#1 := main_#t~short10#1; 325#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 324#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 323#L555 assume main_#t~mem13#1 > main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem17#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem17#1; 308#L555-2 [2022-07-13 03:16:59,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:59,537 INFO L85 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2022-07-13 03:16:59,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:59,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609279637] [2022-07-13 03:16:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:59,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:59,563 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:59,572 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:59,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:59,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 4 times [2022-07-13 03:16:59,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:59,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916134619] [2022-07-13 03:16:59,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:59,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:59,593 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:16:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:16:59,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:16:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:16:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -692497897, now seen corresponding path program 1 times [2022-07-13 03:16:59,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:16:59,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300482404] [2022-07-13 03:16:59,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:59,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:16:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:16:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:16:59,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 03:16:59,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300482404] [2022-07-13 03:16:59,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300482404] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 03:16:59,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996713845] [2022-07-13 03:16:59,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:16:59,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 03:16:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:16:59,668 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 03:16:59,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-07-13 03:16:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:16:59,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-13 03:16:59,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:00,165 INFO L356 Elim1Store]: treesize reduction 252, result has 37.8 percent of original size [2022-07-13 03:17:00,165 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 462 treesize of output 894 [2022-07-13 03:17:00,228 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-07-13 03:17:00,259 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-07-13 03:17:00,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 37 treesize of output 33 [2022-07-13 03:17:00,440 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2022-07-13 03:17:01,350 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 835 treesize of output 821 [2022-07-13 03:17:02,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 1536 treesize of output 1504 [2022-07-13 03:17:02,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:17:02,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:17:02,602 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2022-07-13 03:17:03,642 INFO L356 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2022-07-13 03:17:03,643 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 342 treesize of output 276 [2022-07-13 03:17:03,671 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 7 treesize of output 5 [2022-07-13 03:17:03,685 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 57 treesize of output 53 [2022-07-13 03:17:03,691 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 80 treesize of output 72 [2022-07-13 03:17:03,836 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:17:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-13 03:17:03,846 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 147 [2022-07-13 03:17:03,862 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 7 treesize of output 5 [2022-07-13 03:17:03,866 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 76 treesize of output 68 [2022-07-13 03:17:03,867 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:17:03,869 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 54 [2022-07-13 03:17:03,875 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 9 treesize of output 7 [2022-07-13 03:17:03,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:17:03,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-13 03:17:03,959 INFO L356 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-07-13 03:17:03,960 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 835 treesize of output 776 [2022-07-13 03:17:03,990 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 9 treesize of output 7 [2022-07-13 03:17:04,022 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 9 treesize of output 7 [2022-07-13 03:17:04,049 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 9 treesize of output 7 [2022-07-13 03:17:04,103 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-13 03:17:04,103 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 32 treesize of output 24 [2022-07-13 03:17:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:04,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 03:17:04,143 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 151 treesize of output 147 [2022-07-13 03:17:04,151 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 38 treesize of output 34 [2022-07-13 03:17:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:04,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996713845] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 03:17:04,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 03:17:04,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-07-13 03:17:04,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446354684] [2022-07-13 03:17:04,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 03:17:04,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 03:17:04,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 03:17:04,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-13 03:17:04,338 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 10 states, 9 states have (on average 4.333333333333333) internal successors, (39), 10 states have internal predecessors, (39), 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) [2022-07-13 03:17:04,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 03:17:04,413 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-07-13 03:17:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 03:17:04,414 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2022-07-13 03:17:04,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:17:04,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 22 transitions. [2022-07-13 03:17:04,414 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-07-13 03:17:04,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-07-13 03:17:04,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-07-13 03:17:04,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:17:04,415 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-07-13 03:17:04,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-07-13 03:17:04,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-07-13 03:17:04,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 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) [2022-07-13 03:17:04,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-13 03:17:04,416 INFO L392 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-13 03:17:04,416 INFO L374 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-13 03:17:04,416 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-13 03:17:04,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-07-13 03:17:04,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:17:04,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:17:04,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:17:04,416 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-13 03:17:04,417 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:17:04,417 INFO L752 eck$LassoCheckResult]: Stem: 450#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~mem20#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet7#1; 458#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 456#L554-1 [2022-07-13 03:17:04,417 INFO L754 eck$LassoCheckResult]: Loop: 456#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 452#L554-3 main_#t~short12#1 := main_#t~short10#1; 453#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 459#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 446#L555 assume !(main_#t~mem13#1 > main_#t~mem14#1);havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem18#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem18#1;call write~int(main_#t~nondet19#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet19#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem20#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem20#1; 447#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 456#L554-1 [2022-07-13 03:17:04,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:04,417 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-07-13 03:17:04,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:04,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958391817] [2022-07-13 03:17:04,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:04,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:04,425 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:04,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:04,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:04,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 1 times [2022-07-13 03:17:04,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:04,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930296166] [2022-07-13 03:17:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:04,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:04,448 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:04,459 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:04,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:04,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1211450553, now seen corresponding path program 2 times [2022-07-13 03:17:04,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:04,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832907436] [2022-07-13 03:17:04,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:04,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:04,509 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:04,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:05,275 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:17:05,275 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:17:05,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:17:05,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:17:05,275 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:17:05,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:05,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:17:05,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:17:05,275 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration5_Lasso [2022-07-13 03:17:05,275 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:17:05,275 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:17:05,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:05,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:06,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:17:06,019 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:17:06,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:06,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:06,021 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) [2022-07-13 03:17:06,021 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 [2022-07-13 03:17:06,052 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 [2022-07-13 03:17:06,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:06,058 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-13 03:17:06,058 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-13 03:17:06,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:06,069 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-07-13 03:17:06,070 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-13 03:17:06,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:06,103 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 [2022-07-13 03:17:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:06,104 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) [2022-07-13 03:17:06,105 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 [2022-07-13 03:17:06,107 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 [2022-07-13 03:17:06,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:06,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:06,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:06,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:06,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:06,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:06,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:06,130 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 [2022-07-13 03:17:06,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:06,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:06,132 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) [2022-07-13 03:17:06,132 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 [2022-07-13 03:17:06,133 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 [2022-07-13 03:17:06,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:06,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:06,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:06,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:06,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:06,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:06,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:06,174 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 [2022-07-13 03:17:06,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:06,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:06,175 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) [2022-07-13 03:17:06,176 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 [2022-07-13 03:17:06,177 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 [2022-07-13 03:17:06,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:06,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:06,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:06,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:06,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:06,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:06,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:06,226 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 [2022-07-13 03:17:06,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:06,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:06,228 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) [2022-07-13 03:17:06,228 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 [2022-07-13 03:17:06,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:17:06,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:06,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:06,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:06,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:06,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:06,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:06,241 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:17:06,246 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-13 03:17:06,246 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-13 03:17:06,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:06,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:06,248 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) [2022-07-13 03:17:06,249 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 [2022-07-13 03:17:06,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:17:06,256 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-13 03:17:06,256 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:17:06,256 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) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2 Supporting invariants [] [2022-07-13 03:17:06,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-07-13 03:17:06,321 INFO L293 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2022-07-13 03:17:06,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:06,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:06,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:06,365 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 14 treesize of output 12 [2022-07-13 03:17:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:06,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 03:17:06,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:06,458 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 28 [2022-07-13 03:17:06,469 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 03:17:06,469 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 1 case distinctions, treesize of input 19 treesize of output 27 [2022-07-13 03:17:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:06,488 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2022-07-13 03:17:06,489 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-07-13 03:17:06,534 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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 37 states and 40 transitions. Complement of second has 10 states. [2022-07-13 03:17:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-13 03:17:06,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-07-13 03:17:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2022-07-13 03:17:06,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-13 03:17:06,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:06,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-13 03:17:06,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:06,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 3 letters. Loop has 12 letters. [2022-07-13 03:17:06,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:06,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 40 transitions. [2022-07-13 03:17:06,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:17:06,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 20 states and 21 transitions. [2022-07-13 03:17:06,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-07-13 03:17:06,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-07-13 03:17:06,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 21 transitions. [2022-07-13 03:17:06,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-13 03:17:06,544 INFO L369 hiAutomatonCegarLoop]: Abstraction has 20 states and 21 transitions. [2022-07-13 03:17:06,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 21 transitions. [2022-07-13 03:17:06,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-07-13 03:17:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 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) [2022-07-13 03:17:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-07-13 03:17:06,546 INFO L392 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-07-13 03:17:06,546 INFO L374 stractBuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-07-13 03:17:06,546 INFO L287 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-07-13 03:17:06,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2022-07-13 03:17:06,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-07-13 03:17:06,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 03:17:06,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 03:17:06,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-07-13 03:17:06,557 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 03:17:06,557 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-13 03:17:06,557 INFO L752 eck$LassoCheckResult]: Stem: 661#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 662#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~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~nondet16#1, main_#t~mem17#1, main_#t~mem18#1, main_#t~nondet19#1, main_#t~mem20#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~short10#1, main_#t~mem11#1, main_#t~short12#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~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_~y~0#1.base, main_~y~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_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call write~int(main_#t~nondet5#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet5#1;call write~int(main_#t~nondet6#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet6#1;call write~int(main_#t~nondet7#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~nondet7#1; 667#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 668#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 665#L554-3 main_#t~short12#1 := main_#t~short10#1; 666#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 671#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 659#L555 assume main_#t~mem13#1 > main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem15#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem15#1;call write~int(main_#t~nondet16#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet16#1;call main_#t~mem17#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem17#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem17#1; 660#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 669#L554-1 [2022-07-13 03:17:06,557 INFO L754 eck$LassoCheckResult]: Loop: 669#L554-1 assume main_#t~short10#1;call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short10#1 := main_#t~mem9#1 > 0; 663#L554-3 main_#t~short12#1 := main_#t~short10#1; 664#L554-4 assume main_#t~short12#1;call main_#t~mem11#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short12#1 := main_#t~mem11#1 > 0; 670#L554-6 assume !!main_#t~short12#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;havoc main_#t~short10#1;havoc main_#t~mem11#1;havoc main_#t~short12#1;call main_#t~mem13#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 657#L555 assume !(main_#t~mem13#1 > main_#t~mem14#1);havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem18#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call write~int(main_#t~mem18#1 - 1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem18#1;call write~int(main_#t~nondet19#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet19#1;call main_#t~mem20#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem20#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem20#1; 658#L555-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short10#1 := main_#t~mem8#1 > 0; 669#L554-1 [2022-07-13 03:17:06,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:06,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1211450491, now seen corresponding path program 2 times [2022-07-13 03:17:06,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:06,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476561966] [2022-07-13 03:17:06,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:06,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:06,576 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:06,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:06,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:06,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 2 times [2022-07-13 03:17:06,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:06,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539888668] [2022-07-13 03:17:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:06,607 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:06,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:06,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:06,622 INFO L85 PathProgramCache]: Analyzing trace with hash 816748368, now seen corresponding path program 2 times [2022-07-13 03:17:06,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 03:17:06,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083420312] [2022-07-13 03:17:06,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 03:17:06,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 03:17:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:06,645 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 03:17:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 03:17:06,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 03:17:07,977 INFO L210 LassoAnalysis]: Preferences: [2022-07-13 03:17:07,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-13 03:17:07,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-13 03:17:07,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-13 03:17:07,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-13 03:17:07,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:07,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-13 03:17:07,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-13 03:17:07,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: Ben-Amram-2010LMCS-Ex2.3-alloca.i_Iteration6_Lasso [2022-07-13 03:17:07,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-13 03:17:07,977 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-13 03:17:07,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:07,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:07,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:07,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:07,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-13 03:17:08,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-13 03:17:08,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-13 03:17:08,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,785 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) [2022-07-13 03:17:08,786 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 [2022-07-13 03:17:08,788 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 [2022-07-13 03:17:08,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:08,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:08,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,811 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 [2022-07-13 03:17:08,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,812 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) [2022-07-13 03:17:08,813 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 [2022-07-13 03:17:08,814 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 [2022-07-13 03:17:08,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:17:08,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:17:08,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:17:08,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,846 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 [2022-07-13 03:17:08,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,847 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) [2022-07-13 03:17:08,848 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 [2022-07-13 03:17:08,849 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 [2022-07-13 03:17:08,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:17:08,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:17:08,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:17:08,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-07-13 03:17:08,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,879 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) [2022-07-13 03:17:08,880 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 [2022-07-13 03:17:08,881 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 [2022-07-13 03:17:08,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:08,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:08,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-13 03:17:08,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,906 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) [2022-07-13 03:17:08,907 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 [2022-07-13 03:17:08,908 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 [2022-07-13 03:17:08,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:17:08,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:17:08,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:17:08,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-13 03:17:08,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,937 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) [2022-07-13 03:17:08,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-13 03:17:08,938 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 [2022-07-13 03:17:08,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:08,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:08,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-07-13 03:17:08,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,962 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) [2022-07-13 03:17:08,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-13 03:17:08,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:17:08,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-13 03:17:08,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:08,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-13 03:17:08,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-13 03:17:08,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:08,990 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 [2022-07-13 03:17:08,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:08,991 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) [2022-07-13 03:17:08,991 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 [2022-07-13 03:17:08,993 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 [2022-07-13 03:17:08,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:08,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:08,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:08,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:09,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:09,002 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:09,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:09,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-13 03:17:09,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:09,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:09,023 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) [2022-07-13 03:17:09,023 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 [2022-07-13 03:17:09,025 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 [2022-07-13 03:17:09,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:09,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:09,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:09,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:09,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:09,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:09,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:09,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-07-13 03:17:09,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:09,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:09,081 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 03:17:09,081 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 [2022-07-13 03:17:09,083 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 [2022-07-13 03:17:09,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:09,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-13 03:17:09,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-13 03:17:09,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:09,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-13 03:17:09,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-13 03:17:09,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-13 03:17:09,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-13 03:17:09,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:09,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:09,124 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) [2022-07-13 03:17:09,125 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 [2022-07-13 03:17:09,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-13 03:17:09,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-13 03:17:09,131 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-07-13 03:17:09,131 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-13 03:17:09,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-13 03:17:09,150 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-07-13 03:17:09,150 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-13 03:17:09,180 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-13 03:17:09,207 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-07-13 03:17:09,207 INFO L444 ModelExtractionUtils]: 27 out of 36 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-07-13 03:17:09,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 03:17:09,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 03:17:09,208 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) [2022-07-13 03:17:09,209 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 [2022-07-13 03:17:09,210 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-13 03:17:09,217 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-07-13 03:17:09,217 INFO L513 LassoAnalysis]: Proved termination. [2022-07-13 03:17:09,217 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)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_3 Supporting invariants [] [2022-07-13 03:17:09,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-07-13 03:17:09,295 INFO L293 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2022-07-13 03:17:09,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:09,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:09,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:09,353 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 14 treesize of output 12 [2022-07-13 03:17:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:09,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:09,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:09,471 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-07-13 03:17:09,493 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 03:17:09,496 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 1 case distinctions, treesize of input 28 treesize of output 34 [2022-07-13 03:17:09,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:09,515 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2022-07-13 03:17:09,515 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:17:09,546 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 25 transitions. Complement of second has 10 states. [2022-07-13 03:17:09,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-13 03:17:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:17:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2022-07-13 03:17:09,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-13 03:17:09,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:09,547 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:17:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:09,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:09,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:09,607 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 14 treesize of output 12 [2022-07-13 03:17:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:09,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:09,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:09,728 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-07-13 03:17:09,756 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 03:17:09,756 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 1 case distinctions, treesize of input 28 treesize of output 34 [2022-07-13 03:17:09,758 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 [2022-07-13 03:17:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:09,774 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2022-07-13 03:17:09,775 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:17:09,805 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 25 transitions. Complement of second has 10 states. [2022-07-13 03:17:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-13 03:17:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:17:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2022-07-13 03:17:09,806 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 7 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-13 03:17:09,806 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:09,806 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-13 03:17:09,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 03:17:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:09,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:09,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:09,854 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 14 treesize of output 12 [2022-07-13 03:17:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 03:17:09,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 03:17:09,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 03:17:09,980 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2022-07-13 03:17:09,989 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-13 03:17:09,989 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 1 case distinctions, treesize of input 28 treesize of output 34 [2022-07-13 03:17:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 03:17:10,008 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 4 loop predicates [2022-07-13 03:17:10,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:17:10,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 16 transitions. cyclomatic complexity: 3. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 28 transitions. Complement of second has 11 states. [2022-07-13 03:17:10,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-13 03:17:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 03:17:10,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2022-07-13 03:17:10,051 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 6 letters. [2022-07-13 03:17:10,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:10,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 15 letters. Loop has 6 letters. [2022-07-13 03:17:10,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:10,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 12 letters. [2022-07-13 03:17:10,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-13 03:17:10,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2022-07-13 03:17:10,053 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:17:10,053 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2022-07-13 03:17:10,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-13 03:17:10,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-13 03:17:10,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-13 03:17:10,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 03:17:10,053 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:17:10,053 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:17:10,054 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 03:17:10,054 INFO L287 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-07-13 03:17:10,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-13 03:17:10,054 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-13 03:17:10,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-13 03:17:10,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 03:17:10 BoogieIcfgContainer [2022-07-13 03:17:10,058 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 03:17:10,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 03:17:10,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 03:17:10,059 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 03:17:10,059 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 03:16:55" (3/4) ... [2022-07-13 03:17:10,061 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-13 03:17:10,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 03:17:10,061 INFO L158 Benchmark]: Toolchain (without parser) took 15068.21ms. Allocated memory was 90.2MB in the beginning and 174.1MB in the end (delta: 83.9MB). Free memory was 52.4MB in the beginning and 97.7MB in the end (delta: -45.3MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-07-13 03:17:10,062 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:17:10,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.41ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 60.6MB in the end (delta: -8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 03:17:10,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.95ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 03:17:10,062 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 57.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:17:10,062 INFO L158 Benchmark]: RCFGBuilder took 300.62ms. Allocated memory is still 90.2MB. Free memory was 57.5MB in the beginning and 45.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-13 03:17:10,063 INFO L158 Benchmark]: BuchiAutomizer took 14447.72ms. Allocated memory was 90.2MB in the beginning and 174.1MB in the end (delta: 83.9MB). Free memory was 45.2MB in the beginning and 97.7MB in the end (delta: -52.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2022-07-13 03:17:10,063 INFO L158 Benchmark]: Witness Printer took 2.47ms. Allocated memory is still 174.1MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 03:17:10,064 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 90.2MB. Free memory was 69.8MB in the beginning and 69.7MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.41ms. Allocated memory is still 90.2MB. Free memory was 52.2MB in the beginning and 60.6MB in the end (delta: -8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.95ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 90.2MB. Free memory was 58.8MB in the beginning and 57.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.62ms. Allocated memory is still 90.2MB. Free memory was 57.5MB in the beginning and 45.2MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 14447.72ms. Allocated memory was 90.2MB in the beginning and 174.1MB in the end (delta: 83.9MB). Free memory was 45.2MB in the beginning and 97.7MB in the end (delta: -52.5MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Witness Printer took 2.47ms. Allocated memory is still 174.1MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] + -1 * unknown-#memory_int-unknown[x][x] + 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 6 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[z][z] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 12.9s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 12 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 44 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital568 mio100 ax104 hnf100 lsp93 ukn45 mio100 lsp36 div100 bol100 ite100 ukn100 eq177 hnf89 smp94 dnf126 smp100 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms VariablesStem: 6 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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! [2022-07-13 03:17:10,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-07-13 03:17:10,292 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