./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/min_rf-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 e3ac7e4caefab280af1b902717cbfa5c070462d8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 14:24:44,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 14:24:44,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 14:24:44,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 14:24:44,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 14:24:44,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 14:24:44,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 14:24:44,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 14:24:44,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 14:24:44,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 14:24:44,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 14:24:44,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 14:24:44,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 14:24:44,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 14:24:44,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 14:24:44,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 14:24:44,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 14:24:44,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 14:24:44,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 14:24:44,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 14:24:44,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 14:24:44,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 14:24:44,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 14:24:44,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 14:24:44,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 14:24:44,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 14:24:44,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 14:24:44,949 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 14:24:44,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 14:24:44,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 14:24:44,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 14:24:44,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 14:24:44,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 14:24:44,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 14:24:44,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 14:24:44,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 14:24:44,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 14:24:44,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 14:24:44,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 14:24:44,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 14:24:44,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 14:24:44,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-08-27 14:24:44,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 14:24:44,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 14:24:44,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 14:24:44,983 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 14:24:44,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 14:24:44,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 14:24:44,984 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 14:24:44,984 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 14:24:44,985 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 14:24:44,985 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 14:24:44,985 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 14:24:44,985 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 14:24:44,986 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 14:24:44,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 14:24:44,986 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 14:24:44,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 14:24:44,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 14:24:44,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 14:24:44,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 14:24:44,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 14:24:44,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 14:24:44,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 14:24:44,988 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 14:24:44,989 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 14:24:44,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac7e4caefab280af1b902717cbfa5c070462d8 [2021-08-27 14:24:45,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 14:24:45,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 14:24:45,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 14:24:45,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 14:24:45,249 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 14:24:45,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2021-08-27 14:24:45,295 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a42652f/be4ab206accf48dd9e9dcbe2a2589357/FLAGba14553fc [2021-08-27 14:24:45,704 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 14:24:45,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/min_rf-alloca.i [2021-08-27 14:24:45,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a42652f/be4ab206accf48dd9e9dcbe2a2589357/FLAGba14553fc [2021-08-27 14:24:45,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47a42652f/be4ab206accf48dd9e9dcbe2a2589357 [2021-08-27 14:24:45,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 14:24:45,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 14:24:45,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 14:24:45,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 14:24:45,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 14:24:45,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:24:45" (1/1) ... [2021-08-27 14:24:45,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1f118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:45, skipping insertion in model container [2021-08-27 14:24:45,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 02:24:45" (1/1) ... [2021-08-27 14:24:45,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 14:24:45,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 14:24:46,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:24:46,010 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 14:24:46,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 14:24:46,058 INFO L208 MainTranslator]: Completed translation [2021-08-27 14:24:46,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46 WrapperNode [2021-08-27 14:24:46,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 14:24:46,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 14:24:46,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 14:24:46,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 14:24:46,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 14:24:46,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 14:24:46,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 14:24:46,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 14:24:46,086 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 14:24:46,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 14:24:46,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 14:24:46,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 14:24:46,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (1/1) ... [2021-08-27 14:24:46,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:46,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:46,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:46,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-27 14:24:46,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 14:24:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 14:24:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 14:24:46,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 14:24:46,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 14:24:46,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 14:24:46,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 14:24:46,479 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-08-27 14:24:46,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:24:46 BoogieIcfgContainer [2021-08-27 14:24:46,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 14:24:46,483 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 14:24:46,483 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 14:24:46,485 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 14:24:46,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:24:46,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 02:24:45" (1/3) ... [2021-08-27 14:24:46,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a71bb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:24:46, skipping insertion in model container [2021-08-27 14:24:46,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:24:46,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 02:24:46" (2/3) ... [2021-08-27 14:24:46,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a71bb96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 02:24:46, skipping insertion in model container [2021-08-27 14:24:46,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 14:24:46,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 02:24:46" (3/3) ... [2021-08-27 14:24:46,488 INFO L389 chiAutomizerObserver]: Analyzing ICFG min_rf-alloca.i [2021-08-27 14:24:46,525 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 14:24:46,525 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 14:24:46,526 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 14:24:46,526 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 14:24:46,526 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 14:24:46,526 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 14:24:46,526 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 14:24:46,526 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 14:24:46,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2021-08-27 14:24:46,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:24:46,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:24:46,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:24:46,551 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:24:46,551 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 14:24:46,551 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 14:24:46,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2021-08-27 14:24:46,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:24:46,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:24:46,553 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:24:46,554 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-27 14:24:46,554 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 14:24:46,558 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 8#L556-1true [2021-08-27 14:24:46,558 INFO L793 eck$LassoCheckResult]: Loop: 8#L556-1true call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 11#L553-1true assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 6#L553-3true assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 13#L554true assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 7#L554-2true assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 8#L556-1true [2021-08-27 14:24:46,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:46,562 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-27 14:24:46,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:46,567 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722238498] [2021-08-27 14:24:46,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:46,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:46,657 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:24:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:46,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:24:46,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:46,705 INFO L82 PathProgramCache]: Analyzing trace with hash 35409684, now seen corresponding path program 1 times [2021-08-27 14:24:46,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:46,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68979154] [2021-08-27 14:24:46,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:46,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:46,726 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:24:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:46,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:24:46,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:46,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1806849170, now seen corresponding path program 1 times [2021-08-27 14:24:46,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:46,744 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886259172] [2021-08-27 14:24:46,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:46,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:46,773 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:24:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:46,809 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:24:47,516 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:24:47,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:24:47,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:24:47,517 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:24:47,517 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:24:47,517 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:47,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:24:47,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:24:47,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration1_Lasso [2021-08-27 14:24:47,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:24:47,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:24:47,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,570 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:47,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:24:48,361 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:24:48,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:24:48,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,367 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-08-27 14:24:48,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-08-27 14:24:48,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-08-27 14:24:48,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,481 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,482 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,482 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,500 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-08-27 14:24:48,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,528 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 [2021-08-27 14:24:48,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,529 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-08-27 14:24:48,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,557 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-08-27 14:24:48,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-08-27 14:24:48,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,585 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-08-27 14:24:48,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-08-27 14:24:48,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,611 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-08-27 14:24:48,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,653 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-08-27 14:24:48,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:48,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:48,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,717 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-08-27 14:24:48,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,760 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-08-27 14:24:48,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-08-27 14:24:48,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,840 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-08-27 14:24:48,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,865 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,865 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-08-27 14:24:48,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,889 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-08-27 14:24:48,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:48,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,915 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-08-27 14:24:48,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:48,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:48,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:48,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:48,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-08-27 14:24:48,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:48,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:48,950 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:48,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-08-27 14:24:48,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:48,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:48,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:48,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:48,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:48,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:48,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:48,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,003 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 [2021-08-27 14:24:49,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,005 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-08-27 14:24:49,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,030 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:49,030 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:49,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,057 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-08-27 14:24:49,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:49,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:24:49,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:49,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,088 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,090 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-08-27 14:24:49,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:24:49,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,097 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 14:24:49,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,098 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:24:49,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:24:49,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,126 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-08-27 14:24:49,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:49,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:49,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,157 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-08-27 14:24:49,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:49,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:49,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,191 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-08-27 14:24:49,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,200 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:49,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:49,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,241 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 14:24:49,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:49,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:49,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:24:49,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,292 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:24:49,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-08-27 14:24:49,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:24:49,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:24:49,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:24:49,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:24:49,310 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:24:49,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:24:49,316 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:24:49,344 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-08-27 14:24:49,344 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-27 14:24:49,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:24:49,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:49,351 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:24:49,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-08-27 14:24:49,419 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:24:49,442 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:24:49,442 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:24:49,442 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2021-08-27 14:24:49,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-08-27 14:24:49,520 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-08-27 14:24:49,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:24:49,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 14:24:49,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:24:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:24:49,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-27 14:24:49,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:24:49,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 14:24:49,821 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-08-27 14:24:49,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 31 [2021-08-27 14:24:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:24:49,866 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-08-27 14:24:49,867 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:24:49,975 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 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). Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 33 states and 46 transitions. Complement of second has 14 states. [2021-08-27 14:24:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-08-27 14:24:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:24:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 16 transitions. [2021-08-27 14:24:49,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 5 letters. [2021-08-27 14:24:49,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:24:49,978 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 7 letters. Loop has 5 letters. [2021-08-27 14:24:49,978 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:24:49,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 16 transitions. Stem has 2 letters. Loop has 10 letters. [2021-08-27 14:24:49,979 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 14:24:49,979 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 46 transitions. [2021-08-27 14:24:49,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:24:49,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 20 states and 29 transitions. [2021-08-27 14:24:49,984 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-08-27 14:24:49,984 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-08-27 14:24:49,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2021-08-27 14:24:49,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:24:49,984 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 29 transitions. [2021-08-27 14:24:49,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2021-08-27 14:24:49,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2021-08-27 14:24:49,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:24:49,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 25 transitions. [2021-08-27 14:24:50,000 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-08-27 14:24:50,000 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 25 transitions. [2021-08-27 14:24:50,000 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 14:24:50,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 25 transitions. [2021-08-27 14:24:50,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:24:50,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:24:50,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:24:50,001 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:24:50,001 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 14:24:50,002 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 207#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 220#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 218#L553-1 assume !main_#t~short9; 219#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 222#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 221#L554-2 [2021-08-27 14:24:50,002 INFO L793 eck$LassoCheckResult]: Loop: 221#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 213#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 216#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 208#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 209#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 221#L554-2 [2021-08-27 14:24:50,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:50,002 INFO L82 PathProgramCache]: Analyzing trace with hash 889571373, now seen corresponding path program 1 times [2021-08-27 14:24:50,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:50,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527737661] [2021-08-27 14:24:50,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:50,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:24:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:24:50,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:24:50,041 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527737661] [2021-08-27 14:24:50,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527737661] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 14:24:50,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 14:24:50,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-27 14:24:50,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129281056] [2021-08-27 14:24:50,044 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 14:24:50,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:50,044 INFO L82 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 2 times [2021-08-27 14:24:50,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:50,044 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529555819] [2021-08-27 14:24:50,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:50,045 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:50,055 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:24:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:50,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:24:50,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:24:50,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 14:24:50,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 14:24:50,351 INFO L87 Difference]: Start difference. First operand 17 states and 25 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:24:50,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:24:50,364 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2021-08-27 14:24:50,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 14:24:50,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2021-08-27 14:24:50,367 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:24:50,367 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 17 states and 22 transitions. [2021-08-27 14:24:50,368 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-08-27 14:24:50,368 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-08-27 14:24:50,369 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-08-27 14:24:50,369 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:24:50,369 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-27 14:24:50,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-08-27 14:24:50,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-08-27 14:24:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:24:50,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-08-27 14:24:50,371 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-27 14:24:50,371 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-08-27 14:24:50,371 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 14:24:50,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-08-27 14:24:50,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-08-27 14:24:50,372 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:24:50,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:24:50,372 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:24:50,372 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 14:24:50,372 INFO L791 eck$LassoCheckResult]: Stem: 249#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 250#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 262#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 261#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 265#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 264#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 263#L554-2 [2021-08-27 14:24:50,372 INFO L793 eck$LassoCheckResult]: Loop: 263#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 256#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 259#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 251#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 252#L554 assume main_#t~mem10 > main_#t~mem11;havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem12 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem12, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem12; 263#L554-2 [2021-08-27 14:24:50,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:50,373 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 1 times [2021-08-27 14:24:50,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:50,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511968565] [2021-08-27 14:24:50,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:50,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:50,382 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:24:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:50,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:24:50,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:50,407 INFO L82 PathProgramCache]: Analyzing trace with hash 53782944, now seen corresponding path program 3 times [2021-08-27 14:24:50,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:50,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483476544] [2021-08-27 14:24:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:50,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:50,424 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:24:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:24:50,441 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:24:50,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:24:50,442 INFO L82 PathProgramCache]: Analyzing trace with hash -304168138, now seen corresponding path program 1 times [2021-08-27 14:24:50,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:24:50,442 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771579763] [2021-08-27 14:24:50,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:50,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:24:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:24:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:24:50,601 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:24:50,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771579763] [2021-08-27 14:24:50,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771579763] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:24:50,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733641611] [2021-08-27 14:24:50,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:24:50,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:24:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:24:50,602 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:24:50,620 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-08-27 14:24:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:24:50,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 27 conjunts are in the unsatisfiable core [2021-08-27 14:24:50,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:24:50,725 INFO L354 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2021-08-27 14:24:50,725 INFO L388 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 27 [2021-08-27 14:24:50,745 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-08-27 14:24:50,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-08-27 14:24:50,952 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 14:24:50,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2021-08-27 14:24:50,970 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 14:24:50,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2021-08-27 14:24:51,016 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 14:24:51,407 INFO L354 Elim1Store]: treesize reduction 800, result has 23.0 percent of original size [2021-08-27 14:24:51,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 10 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 4611 treesize of output 897 [2021-08-27 14:24:51,560 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-08-27 14:24:51,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 36 [2021-08-27 14:24:51,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2021-08-27 14:24:52,353 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 49 [2021-08-27 14:24:52,393 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 58 [2021-08-27 14:24:52,419 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 44 [2021-08-27 14:24:52,443 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 300 treesize of output 232 [2021-08-27 14:24:52,460 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 311 [2021-08-27 14:24:52,538 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 52 [2021-08-27 14:24:52,557 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-08-27 14:24:52,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2021-08-27 14:24:52,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 60 treesize of output 40 [2021-08-27 14:24:52,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2021-08-27 14:24:52,803 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 14:24:52,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 50 [2021-08-27 14:25:05,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-08-27 14:25:05,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-08-27 14:25:05,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-08-27 14:25:05,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061802004] [2021-08-27 14:25:05,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:25:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-27 14:25:05,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=124, Unknown=1, NotChecked=0, Total=156 [2021-08-27 14:25:05,348 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. cyclomatic complexity: 7 Second operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:25:05,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:25:05,503 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2021-08-27 14:25:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-27 14:25:05,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-08-27 14:25:05,504 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-08-27 14:25:05,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2021-08-27 14:25:05,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-27 14:25:05,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-27 14:25:05,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2021-08-27 14:25:05,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:25:05,505 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 30 transitions. [2021-08-27 14:25:05,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2021-08-27 14:25:05,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-08-27 14:25:05,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 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) [2021-08-27 14:25:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-08-27 14:25:05,507 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-27 14:25:05,507 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-08-27 14:25:05,507 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 14:25:05,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-08-27 14:25:05,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-08-27 14:25:05,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:25:05,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:25:05,508 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:25:05,508 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 14:25:05,508 INFO L791 eck$LassoCheckResult]: Stem: 346#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 347#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 360#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 359#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 366#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 364#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 361#L554-2 [2021-08-27 14:25:05,508 INFO L793 eck$LassoCheckResult]: Loop: 361#L554-2 assume !(0 != main_#t~nondet14);havoc main_#t~nondet14;call main_#t~mem20 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem21 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem20 + main_#t~mem21, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem20;havoc main_#t~mem21;call main_#t~mem22 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem22 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem22;call main_#t~mem23 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem24 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem23 + main_#t~mem24, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem23;havoc main_#t~mem24; 353#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 367#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 365#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 362#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 361#L554-2 [2021-08-27 14:25:05,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:05,509 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 2 times [2021-08-27 14:25:05,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:05,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529895171] [2021-08-27 14:25:05,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:05,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:05,517 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:05,527 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:05,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:05,530 INFO L82 PathProgramCache]: Analyzing trace with hash 55629988, now seen corresponding path program 1 times [2021-08-27 14:25:05,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:05,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288338078] [2021-08-27 14:25:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:05,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:05,537 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:05,543 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:05,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:05,544 INFO L82 PathProgramCache]: Analyzing trace with hash -302321094, now seen corresponding path program 1 times [2021-08-27 14:25:05,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:05,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342104527] [2021-08-27 14:25:05,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:05,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:25:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:25:05,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 14:25:05,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342104527] [2021-08-27 14:25:05,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342104527] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:25:05,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1043003976] [2021-08-27 14:25:05,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:05,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 14:25:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:05,787 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 14:25:05,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-08-27 14:25:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:25:05,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 38 conjunts are in the unsatisfiable core [2021-08-27 14:25:05,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:25:05,925 INFO L354 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2021-08-27 14:25:05,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 4 case distinctions, treesize of input 35 treesize of output 34 [2021-08-27 14:25:05,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-08-27 14:25:06,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-08-27 14:25:06,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-08-27 14:25:06,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-27 14:25:06,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-08-27 14:25:06,462 INFO L354 Elim1Store]: treesize reduction 315, result has 26.7 percent of original size [2021-08-27 14:25:06,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 6 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 9 new quantified variables, introduced 26 case distinctions, treesize of input 1172 treesize of output 313 [2021-08-27 14:25:06,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-08-27 14:25:06,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-08-27 14:25:06,562 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 14:25:06,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 147 [2021-08-27 14:25:06,568 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 14:25:06,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 107 [2021-08-27 14:25:06,574 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-27 14:25:06,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 70 [2021-08-27 14:25:07,714 INFO L354 Elim1Store]: treesize reduction 29, result has 12.1 percent of original size [2021-08-27 14:25:07,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 35 [2021-08-27 14:25:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 14:25:07,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1043003976] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 14:25:07,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 14:25:07,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 17 [2021-08-27 14:25:07,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463928987] [2021-08-27 14:25:08,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 14:25:08,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-08-27 14:25:08,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2021-08-27 14:25:08,023 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. cyclomatic complexity: 8 Second operand has 18 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:25:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 14:25:29,592 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2021-08-27 14:25:29,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-08-27 14:25:29,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2021-08-27 14:25:29,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2021-08-27 14:25:29,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 39 transitions. [2021-08-27 14:25:29,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-08-27 14:25:29,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-08-27 14:25:29,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 39 transitions. [2021-08-27 14:25:29,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 14:25:29,594 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2021-08-27 14:25:29,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 39 transitions. [2021-08-27 14:25:29,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2021-08-27 14:25:29,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 14:25:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-08-27 14:25:29,596 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-08-27 14:25:29,596 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-08-27 14:25:29,596 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 14:25:29,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-08-27 14:25:29,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2021-08-27 14:25:29,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 14:25:29,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 14:25:29,597 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-27 14:25:29,597 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 14:25:29,597 INFO L791 eck$LassoCheckResult]: Stem: 473#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 474#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet6, main_#t~mem10, main_#t~mem11, main_#t~mem12, main_#t~mem13, main_#t~nondet14, main_#t~mem15, main_#t~mem16, main_#t~mem17, main_#t~mem18, main_#t~mem19, main_#t~mem20, main_#t~mem21, main_#t~mem22, main_#t~mem23, main_#t~mem24, main_#t~mem7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~z~0.base, main_~z~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~z~0.base, main_~z~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet5;call write~int(main_#t~nondet6, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~nondet6; 486#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 485#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 499#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 498#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 488#L554-2 [2021-08-27 14:25:29,597 INFO L793 eck$LassoCheckResult]: Loop: 488#L554-2 assume 0 != main_#t~nondet14;havoc main_#t~nondet14;call main_#t~mem15 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem16 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem15 + main_#t~mem16, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem15;havoc main_#t~mem16;call main_#t~mem17 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem17 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem17;call main_#t~mem18 := read~int(main_~y~0.base, main_~y~0.offset, 4);call main_#t~mem19 := read~int(main_~z~0.base, main_~z~0.offset, 4);call write~int(main_#t~mem18 + main_#t~mem19, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem18;havoc main_#t~mem19; 494#L556-1 call main_#t~mem7 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short9 := main_#t~mem7 > 0; 493#L553-1 assume main_#t~short9;call main_#t~mem8 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 492#L553-3 assume !!main_#t~short9;havoc main_#t~mem7;havoc main_#t~mem8;havoc main_#t~short9;call main_#t~mem10 := read~int(main_~x~0.base, main_~x~0.offset, 4);call main_#t~mem11 := read~int(main_~y~0.base, main_~y~0.offset, 4); 487#L554 assume !(main_#t~mem10 > main_#t~mem11);havoc main_#t~mem10;havoc main_#t~mem11;call main_#t~mem13 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem13, main_~z~0.base, main_~z~0.offset, 4);havoc main_#t~mem13; 488#L554-2 [2021-08-27 14:25:29,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:29,597 INFO L82 PathProgramCache]: Analyzing trace with hash 889569451, now seen corresponding path program 3 times [2021-08-27 14:25:29,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:29,597 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546147001] [2021-08-27 14:25:29,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:29,598 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:29,605 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:29,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:29,612 INFO L82 PathProgramCache]: Analyzing trace with hash 53782946, now seen corresponding path program 1 times [2021-08-27 14:25:29,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:29,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531984775] [2021-08-27 14:25:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:29,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:29,618 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:29,624 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:29,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:29,624 INFO L82 PathProgramCache]: Analyzing trace with hash -304168136, now seen corresponding path program 1 times [2021-08-27 14:25:29,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 14:25:29,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633873830] [2021-08-27 14:25:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 14:25:29,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 14:25:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:29,635 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 14:25:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 14:25:29,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 14:25:30,473 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 14:25:30,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 14:25:30,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 14:25:30,473 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 14:25:30,473 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 14:25:30,473 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:30,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 14:25:30,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 14:25:30,474 INFO L133 ssoRankerPreferences]: Filename of dumped script: min_rf-alloca.i_Iteration5_Lasso [2021-08-27 14:25:30,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 14:25:30,474 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 14:25:30,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,808 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:30,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 14:25:31,188 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 14:25:31,188 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 14:25:31,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,193 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-08-27 14:25:31,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-08-27 14:25:31,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,224 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-08-27 14:25:31,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,253 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,259 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-08-27 14:25:31,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,283 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-08-27 14:25:31,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,285 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-08-27 14:25:31,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,313 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-08-27 14:25:31,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,363 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-08-27 14:25:31,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,392 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 [2021-08-27 14:25:31,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,393 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-08-27 14:25:31,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,402 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-08-27 14:25:31,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,418 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) [2021-08-27 14:25:31,419 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 [2021-08-27 14:25:31,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,427 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,446 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 [2021-08-27 14:25:31,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,447 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-08-27 14:25:31,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 14:25:31,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,472 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-08-27 14:25:31,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,503 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 [2021-08-27 14:25:31,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,505 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-08-27 14:25:31,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,529 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 [2021-08-27 14:25:31,529 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,530 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-08-27 14:25:31,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 14:25:31,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,555 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-08-27 14:25:31,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,565 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,565 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,592 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-08-27 14:25:31,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,617 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-08-27 14:25:31,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,626 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,645 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-08-27 14:25:31,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,681 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-08-27 14:25:31,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-08-27 14:25:31,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,721 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-08-27 14:25:31,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-27 14:25:31,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,746 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-08-27 14:25:31,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 14:25:31,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-08-27 14:25:31,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,772 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-08-27 14:25:31,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,780 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 14:25:31,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,780 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-08-27 14:25:31,780 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,780 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-08-27 14:25:31,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 14:25:31,781 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-08-27 14:25:31,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,802 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-08-27 14:25:31,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-27 14:25:31,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,845 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-08-27 14:25:31,847 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 [2021-08-27 14:25:31,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,875 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-08-27 14:25:31,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 14:25:31,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:31,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,903 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-08-27 14:25:31,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 14:25:31,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 14:25:31,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 14:25:31,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 14:25:31,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 14:25:31,915 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 14:25:31,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 14:25:31,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 14:25:31,941 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-08-27 14:25:31,941 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-08-27 14:25:31,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 14:25:31,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 14:25:31,942 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 14:25:31,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-08-27 14:25:31,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 14:25:31,950 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 14:25:31,950 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 14:25:31,951 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0.base) ULTIMATE.start_main_~z~0.offset)_2 Supporting invariants [] [2021-08-27 14:25:31,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-27 14:25:32,015 INFO L297 tatePredicateManager]: 21 out of 24 supporting invariants were superfluous and have been removed [2021-08-27 14:25:32,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:32,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 14:25:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:25:32,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 10 conjunts are in the unsatisfiable core [2021-08-27 14:25:32,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:25:32,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-08-27 14:25:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 14:25:32,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjunts are in the unsatisfiable core [2021-08-27 14:25:32,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 14:25:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-27 14:25:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-08-27 14:25:32,211 INFO L354 Elim1Store]: treesize reduction 36, result has 56.6 percent of original size [2021-08-27 14:25:32,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 271 treesize of output 113 [2021-08-27 14:25:32,263 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-08-27 14:25:32,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 35 [2021-08-27 14:25:32,473 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.RefineBuchi.refineBuchi(RefineBuchi.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.refineBuchi(BuchiCegarLoop.java:731) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:549) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-27 14:25:32,475 INFO L168 Benchmark]: Toolchain (without parser) took 46739.83 ms. Allocated memory was 56.6 MB in the beginning and 157.3 MB in the end (delta: 100.7 MB). Free memory was 34.6 MB in the beginning and 102.7 MB in the end (delta: -68.1 MB). Peak memory consumption was 102.2 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:32,475 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 38.9 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:25:32,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.06 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 34.9 MB in the end (delta: -399.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:32,476 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.49 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 33.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 14:25:32,476 INFO L168 Benchmark]: Boogie Preprocessor took 13.29 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 31.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:32,476 INFO L168 Benchmark]: RCFGBuilder took 385.18 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 31.8 MB in the beginning and 44.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:32,476 INFO L168 Benchmark]: BuchiAutomizer took 45991.55 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 44.7 MB in the beginning and 102.7 MB in the end (delta: -58.1 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. [2021-08-27 14:25:32,477 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 56.6 MB. Free memory was 38.9 MB in the beginning and 38.9 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 321.06 ms. Allocated memory is still 56.6 MB. Free memory was 34.5 MB in the beginning and 34.9 MB in the end (delta: -399.3 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.49 ms. Allocated memory is still 56.6 MB. Free memory was 34.7 MB in the beginning and 33.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 13.29 ms. Allocated memory is still 56.6 MB. Free memory was 33.0 MB in the beginning and 31.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 385.18 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 31.8 MB in the beginning and 44.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 45991.55 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 44.7 MB in the beginning and 102.7 MB in the end (delta: -58.1 MB). Peak memory consumption was 95.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:149) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-27 14:25:32,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-08-27 14:25:32,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-08-27 14:25:32,904 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...