./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 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/b.15-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 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:02:24,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:02:24,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:02:25,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:02:25,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:02:25,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:02:25,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:02:25,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:02:25,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:02:25,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:02:25,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:02:25,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:02:25,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:02:25,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:02:25,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:02:25,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:02:25,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:02:25,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:02:25,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:02:25,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:02:25,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:02:25,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:02:25,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:02:25,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:02:25,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:02:25,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:02:25,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:02:25,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:02:25,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:02:25,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:02:25,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:02:25,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:02:25,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:02:25,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:02:25,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:02:25,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:02:25,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:02:25,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:02:25,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:02:25,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:02:25,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:02:25,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-15 17:02:25,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:02:25,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:02:25,086 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:02:25,086 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:02:25,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:02:25,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:02:25,088 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:02:25,088 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:02:25,088 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:02:25,088 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:02:25,089 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:02:25,089 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:02:25,089 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:02:25,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:02:25,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:02:25,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:02:25,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:02:25,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:02:25,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:02:25,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:02:25,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:02:25,091 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:02:25,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:02:25,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:02:25,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:02:25,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:02:25,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:02:25,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:02:25,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:02:25,093 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:02:25,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2021-12-15 17:02:25,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:02:25,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:02:25,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:02:25,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:02:25,344 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:02:25,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2021-12-15 17:02:25,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7e5d188/979ab2a0e1244dabb562be63da9d707f/FLAG8f8e06fac [2021-12-15 17:02:25,804 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:02:25,804 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2021-12-15 17:02:25,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7e5d188/979ab2a0e1244dabb562be63da9d707f/FLAG8f8e06fac [2021-12-15 17:02:25,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c7e5d188/979ab2a0e1244dabb562be63da9d707f [2021-12-15 17:02:25,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:02:25,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:02:25,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:02:25,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:02:25,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:02:25,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:02:25" (1/1) ... [2021-12-15 17:02:25,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@658ad9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:25, skipping insertion in model container [2021-12-15 17:02:25,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:02:25" (1/1) ... [2021-12-15 17:02:25,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:02:25,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:02:26,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:02:26,088 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:02:26,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:02:26,136 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:02:26,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26 WrapperNode [2021-12-15 17:02:26,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:02:26,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:02:26,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:02:26,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:02:26,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,172 INFO L137 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2021-12-15 17:02:26,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:02:26,173 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:02:26,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:02:26,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:02:26,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:02:26,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:02:26,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:02:26,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:02:26,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (1/1) ... [2021-12-15 17:02:26,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:26,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:26,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:26,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:02:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:02:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:02:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:02:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:02:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:02:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:02:26,346 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:02:26,347 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:02:26,474 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:02:26,478 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:02:26,478 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-15 17:02:26,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:02:26 BoogieIcfgContainer [2021-12-15 17:02:26,479 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:02:26,480 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:02:26,480 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:02:26,482 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:02:26,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:02:26,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:02:25" (1/3) ... [2021-12-15 17:02:26,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f4d4e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:02:26, skipping insertion in model container [2021-12-15 17:02:26,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:02:26,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:02:26" (2/3) ... [2021-12-15 17:02:26,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f4d4e50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:02:26, skipping insertion in model container [2021-12-15 17:02:26,484 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:02:26,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:02:26" (3/3) ... [2021-12-15 17:02:26,485 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.15-alloca.i [2021-12-15 17:02:26,527 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:02:26,527 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:02:26,527 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:02:26,527 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:02:26,527 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:02:26,527 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:02:26,527 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:02:26,528 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:02:26,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:26,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:02:26,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:02:26,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:02:26,549 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:02:26,549 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:02:26,549 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:02:26,550 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:26,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:02:26,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:02:26,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:02:26,552 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:02:26,552 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-15 17:02:26,557 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 12#L558-4true [2021-12-15 17:02:26,558 INFO L793 eck$LassoCheckResult]: Loop: 12#L558-4true call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 11#L557-1true assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 10#L557-3true assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 6#L558-3true assume !true; 12#L558-4true [2021-12-15 17:02:26,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:26,562 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-15 17:02:26,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:26,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588276344] [2021-12-15 17:02:26,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:26,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:26,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:26,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:26,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1142256, now seen corresponding path program 1 times [2021-12-15 17:02:26,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:26,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009360943] [2021-12-15 17:02:26,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:26,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:02:26,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:02:26,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009360943] [2021-12-15 17:02:26,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009360943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:02:26,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:02:26,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-15 17:02:26,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963789386] [2021-12-15 17:02:26,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:02:26,852 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:02:26,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:02:26,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 17:02:26,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 17:02:26,879 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:26,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:02:26,883 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2021-12-15 17:02:26,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 17:02:26,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-12-15 17:02:26,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:02:26,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 9 transitions. [2021-12-15 17:02:26,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-15 17:02:26,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-15 17:02:26,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 9 transitions. [2021-12-15 17:02:26,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:02:26,895 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-12-15 17:02:26,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 9 transitions. [2021-12-15 17:02:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-12-15 17:02:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-12-15 17:02:26,912 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-12-15 17:02:26,912 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-12-15 17:02:26,912 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:02:26,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2021-12-15 17:02:26,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-15 17:02:26,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:02:26,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:02:26,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:02:26,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-15 17:02:26,913 INFO L791 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 33#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 36#L558-4 [2021-12-15 17:02:26,913 INFO L793 eck$LassoCheckResult]: Loop: 36#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 38#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 37#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 34#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 35#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 36#L558-4 [2021-12-15 17:02:26,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:26,914 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-12-15 17:02:26,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:26,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017290587] [2021-12-15 17:02:26,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:26,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:26,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:26,973 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:26,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:26,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:26,993 INFO L85 PathProgramCache]: Analyzing trace with hash 35409745, now seen corresponding path program 1 times [2021-12-15 17:02:26,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:26,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517455594] [2021-12-15 17:02:26,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:26,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:02:27,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:02:27,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517455594] [2021-12-15 17:02:27,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517455594] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:02:27,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:02:27,093 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 17:02:27,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087222252] [2021-12-15 17:02:27,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:02:27,094 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:02:27,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:02:27,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 17:02:27,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 17:02:27,095 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:02:27,171 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2021-12-15 17:02:27,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-15 17:02:27,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2021-12-15 17:02:27,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:02:27,173 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 12 transitions. [2021-12-15 17:02:27,173 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-12-15 17:02:27,173 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-12-15 17:02:27,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2021-12-15 17:02:27,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:02:27,174 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-12-15 17:02:27,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2021-12-15 17:02:27,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2021-12-15 17:02:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) 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) [2021-12-15 17:02:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-12-15 17:02:27,176 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-15 17:02:27,176 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-12-15 17:02:27,176 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:02:27,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-12-15 17:02:27,177 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:02:27,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:02:27,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:02:27,177 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-15 17:02:27,178 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2021-12-15 17:02:27,178 INFO L791 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 65#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 69#L558-4 [2021-12-15 17:02:27,178 INFO L793 eck$LassoCheckResult]: Loop: 69#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 72#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 70#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 71#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 68#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 66#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 67#L558-1 assume !(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1; 69#L558-4 [2021-12-15 17:02:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:27,178 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2021-12-15 17:02:27,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:27,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567281487] [2021-12-15 17:02:27,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:27,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:27,231 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:27,251 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:27,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:27,252 INFO L85 PathProgramCache]: Analyzing trace with hash -330970762, now seen corresponding path program 1 times [2021-12-15 17:02:27,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:27,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663882503] [2021-12-15 17:02:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:27,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:27,268 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:27,279 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:27,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1215326068, now seen corresponding path program 1 times [2021-12-15 17:02:27,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:27,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224720529] [2021-12-15 17:02:27,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:27,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:27,313 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:27,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:28,479 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:02:28,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:02:28,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:02:28,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:02:28,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:02:28,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:28,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:02:28,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:02:28,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.15-alloca.i_Iteration3_Lasso [2021-12-15 17:02:28,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:02:28,481 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:02:28,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:28,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:28,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:28,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:28,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:28,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:29,563 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:02:29,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:02:29,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:02:29,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:29,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:29,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:29,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:29,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:29,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:29,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:29,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:29,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:29,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:29,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,608 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:02:29,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:29,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:29,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:29,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:29,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:29,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:29,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:29,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:29,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:29,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:29,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:02:29,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:29,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:29,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:29,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:29,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:29,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:29,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:29,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:29,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:29,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-15 17:02:29,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,683 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:02:29,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:29,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:29,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:29,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:29,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:29,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:29,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:29,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:29,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:29,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-15 17:02:29,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:02:29,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:29,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:29,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:29,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:29,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:29,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:29,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:29,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:29,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:29,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,772 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:02:29,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:29,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:29,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:29,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:29,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:29,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:29,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:29,819 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:02:29,835 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-15 17:02:29,836 INFO L444 ModelExtractionUtils]: 35 out of 40 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-15 17:02:29,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:29,856 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:29,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:02:29,876 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:02:29,897 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:02:29,898 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:02:29,898 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 Supporting invariants [] [2021-12-15 17:02:29,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:30,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:30,092 INFO L297 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2021-12-15 17:02:30,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:30,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:02:30,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:02:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:30,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-15 17:02:30,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:02:30,291 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-15 17:02:30,292 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 39 treesize of output 51 [2021-12-15 17:02:30,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:02:30,534 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 [2021-12-15 17:02:30,535 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:30,692 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 10 states. [2021-12-15 17:02:30,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-12-15 17:02:30,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:30,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2021-12-15 17:02:30,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 2 letters. Loop has 7 letters. [2021-12-15 17:02:30,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:02:30,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 9 letters. Loop has 7 letters. [2021-12-15 17:02:30,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:02:30,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 9 transitions. Stem has 2 letters. Loop has 14 letters. [2021-12-15 17:02:30,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:02:30,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-12-15 17:02:30,695 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:02:30,695 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2021-12-15 17:02:30,696 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-15 17:02:30,696 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-15 17:02:30,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-12-15 17:02:30,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:02:30,696 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-12-15 17:02:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-12-15 17:02:30,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-12-15 17:02:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:30,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-12-15 17:02:30,697 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-15 17:02:30,697 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-12-15 17:02:30,697 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:02:30,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-12-15 17:02:30,697 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:02:30,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:02:30,698 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:02:30,698 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:02:30,698 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:02:30,698 INFO L791 eck$LassoCheckResult]: Stem: 299#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 300#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 306#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 310#L557-1 assume !test_fun_#t~short10#1; 307#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 301#L558-3 [2021-12-15 17:02:30,698 INFO L793 eck$LassoCheckResult]: Loop: 301#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 302#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 301#L558-3 [2021-12-15 17:02:30,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:30,698 INFO L85 PathProgramCache]: Analyzing trace with hash 28695850, now seen corresponding path program 1 times [2021-12-15 17:02:30,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:30,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142915305] [2021-12-15 17:02:30,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:30,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:02:30,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:02:30,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142915305] [2021-12-15 17:02:30,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142915305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:02:30,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:02:30,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:02:30,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343443432] [2021-12-15 17:02:30,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:02:30,733 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:02:30,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:30,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 1 times [2021-12-15 17:02:30,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:30,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105512681] [2021-12-15 17:02:30,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:30,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,744 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:30,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:02:30,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:02:30,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:02:30,841 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:30,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:02:30,849 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-12-15 17:02:30,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:02:30,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-12-15 17:02:30,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:02:30,851 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 14 states and 17 transitions. [2021-12-15 17:02:30,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-12-15 17:02:30,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-12-15 17:02:30,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-12-15 17:02:30,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:02:30,851 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-15 17:02:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-12-15 17:02:30,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-12-15 17:02:30,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:02:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-12-15 17:02:30,852 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-15 17:02:30,852 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-12-15 17:02:30,852 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:02:30,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-12-15 17:02:30,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-15 17:02:30,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:02:30,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:02:30,853 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:02:30,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:02:30,853 INFO L791 eck$LassoCheckResult]: Stem: 335#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 336#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~ret19#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem11#1, test_fun_#t~mem12#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~mem9#1, test_fun_#t~short10#1, test_fun_#t~mem15#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 342#L558-4 call test_fun_#t~mem6#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem6#1 == test_fun_#t~mem7#1; 345#L557-1 assume test_fun_#t~short10#1;call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem9#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short10#1 := test_fun_#t~mem8#1 > test_fun_#t~mem9#1; 343#L557-3 assume !!test_fun_#t~short10#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem9#1;havoc test_fun_#t~short10#1; 337#L558-3 [2021-12-15 17:02:30,853 INFO L793 eck$LassoCheckResult]: Loop: 337#L558-3 call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4); 338#L558-1 assume !!(test_fun_#t~mem11#1 > test_fun_#t~mem12#1);havoc test_fun_#t~mem11#1;havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem14#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1; 337#L558-3 [2021-12-15 17:02:30,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2021-12-15 17:02:30,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:30,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952191900] [2021-12-15 17:02:30,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:30,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,890 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:30,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1702, now seen corresponding path program 2 times [2021-12-15 17:02:30,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:30,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346925942] [2021-12-15 17:02:30,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:30,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:30,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:30,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849233, now seen corresponding path program 1 times [2021-12-15 17:02:30,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:02:30,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138170122] [2021-12-15 17:02:30,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:02:30,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:02:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,943 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:02:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:02:30,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:02:32,038 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:02:32,038 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:02:32,038 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:02:32,038 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:02:32,038 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:02:32,038 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:32,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:02:32,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:02:32,038 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.15-alloca.i_Iteration5_Lasso [2021-12-15 17:02:32,038 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:02:32,039 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:02:32,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:02:32,980 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:02:32,980 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:02:32,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:32,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:32,981 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:32,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:02:32,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:32,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:32,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:32,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:32,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:32,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:32,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:32,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:32,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,006 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:02:33,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-15 17:02:33,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,031 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:02:33,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,060 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 [2021-12-15 17:02:33,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:02:33,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,101 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:02:33,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-15 17:02:33,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:02:33,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,174 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:02:33,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,207 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:02:33,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,232 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:02:33,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,259 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:02:33,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:02:33,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:02:33,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:02:33,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,288 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:02:33,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,330 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:02:33,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,371 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:02:33,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,413 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:02:33,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,445 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:02:33,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,459 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-15 17:02:33,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,490 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:02:33,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-15 17:02:33,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,519 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-15 17:02:33,521 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-15 17:02:33,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,556 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:02:33,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,665 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:02:33,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,675 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,730 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-15 17:02:33,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,739 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,741 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,741 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:02:33,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:33,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,776 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:02:33,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-15 17:02:33,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:02:33,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:02:33,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:02:33,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:02:33,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:02:33,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:02:33,810 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:02:33,834 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-15 17:02:33,834 INFO L444 ModelExtractionUtils]: 12 out of 40 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-12-15 17:02:33,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:02:33,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:02:33,838 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:02:33,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:02:33,840 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:02:33,861 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-15 17:02:33,861 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:02:33,861 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 >= 0] [2021-12-15 17:02:33,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:34,003 INFO L297 tatePredicateManager]: 41 out of 42 supporting invariants were superfluous and have been removed [2021-12-15 17:02:34,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:02:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:34,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-15 17:02:34,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:02:34,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-15 17:02:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:02:34,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-15 17:02:34,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:02:34,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:02:34,183 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:02:34,183 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2021-12-15 17:02:34,223 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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 32 states and 37 transitions. Complement of second has 8 states. [2021-12-15 17:02:34,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:02:34,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 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) [2021-12-15 17:02:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 12 transitions. [2021-12-15 17:02:34,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-15 17:02:34,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:02:34,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:02:34,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:02:34,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 12 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-15 17:02:34,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:02:34,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2021-12-15 17:02:34,227 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:02:34,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2021-12-15 17:02:34,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:02:34,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:02:34,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:02:34,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:02:34,227 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:02:34,227 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:02:34,227 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:02:34,227 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-15 17:02:34,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:02:34,227 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:02:34,227 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:02:34,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:02:34 BoogieIcfgContainer [2021-12-15 17:02:34,232 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:02:34,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:02:34,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:02:34,233 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:02:34,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:02:26" (3/4) ... [2021-12-15 17:02:34,235 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:02:34,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:02:34,236 INFO L158 Benchmark]: Toolchain (without parser) took 8404.93ms. Allocated memory was 94.4MB in the beginning and 159.4MB in the end (delta: 65.0MB). Free memory was 63.6MB in the beginning and 116.9MB in the end (delta: -53.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-12-15 17:02:34,236 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:02:34,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.12ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 63.6MB in the beginning and 98.3MB in the end (delta: -34.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 17:02:34,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.68ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:02:34,237 INFO L158 Benchmark]: Boogie Preprocessor took 34.91ms. Allocated memory is still 127.9MB. Free memory was 96.3MB in the beginning and 95.4MB in the end (delta: 840.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:02:34,237 INFO L158 Benchmark]: RCFGBuilder took 270.75ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 82.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 17:02:34,237 INFO L158 Benchmark]: BuchiAutomizer took 7752.28ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 82.8MB in the beginning and 116.9MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:02:34,237 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 159.4MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:02:34,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.12ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 63.6MB in the beginning and 98.3MB in the end (delta: -34.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.68ms. Allocated memory is still 127.9MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.91ms. Allocated memory is still 127.9MB. Free memory was 96.3MB in the beginning and 95.4MB in the end (delta: 840.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 270.75ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 82.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 7752.28ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 82.8MB in the beginning and 116.9MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 159.4MB. Free memory is still 116.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] + -1 * unknown-#memory_int-unknown[z_ref][z_ref] and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.7s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 6.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 14 states and ocurred in iteration 3. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 34 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital417 mio100 ax104 hnf100 lsp94 ukn54 mio100 lsp35 div100 bol100 ite100 ukn100 eq193 hnf87 smp97 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-15 17:02:34,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE