./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version ff03de63 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-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c -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 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 21:55:46,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 21:55:46,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 21:55:46,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 21:55:46,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 21:55:46,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 21:55:46,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 21:55:46,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 21:55:46,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 21:55:46,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 21:55:46,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 21:55:46,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 21:55:46,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 21:55:46,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 21:55:46,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 21:55:46,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 21:55:46,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 21:55:46,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 21:55:46,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 21:55:46,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 21:55:46,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 21:55:46,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 21:55:46,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 21:55:46,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 21:55:46,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 21:55:46,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 21:55:46,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 21:55:46,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 21:55:46,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 21:55:46,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 21:55:46,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 21:55:46,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 21:55:46,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 21:55:46,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 21:55:46,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 21:55:46,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 21:55:46,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 21:55:46,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 21:55:46,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 21:55:46,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 21:55:46,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 21:55:46,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-21 21:55:46,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 21:55:46,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 21:55:46,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 21:55:46,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 21:55:46,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 21:55:46,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 21:55:46,827 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 21:55:46,827 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-21 21:55:46,827 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-21 21:55:46,827 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-21 21:55:46,828 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-21 21:55:46,828 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-21 21:55:46,828 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-21 21:55:46,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 21:55:46,828 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 21:55:46,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 21:55:46,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 21:55:46,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-21 21:55:46,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-21 21:55:46,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-21 21:55:46,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 21:55:46,830 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-21 21:55:46,830 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 21:55:46,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-21 21:55:46,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 21:55:46,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 21:55:46,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 21:55:46,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 21:55:46,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 21:55:46,832 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-21 21:55:46,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82f10acf23a705ed9ee52063aab9490fd4596871d88518858bc1e47422aca9cc [2021-12-21 21:55:46,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 21:55:46,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 21:55:46,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 21:55:46,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 21:55:46,987 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 21:55:46,988 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2021-12-21 21:55:47,034 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c5c2039/9fac0f59563f4b62ae2902a31c57afbb/FLAG8b8fed287 [2021-12-21 21:55:47,388 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 21:55:47,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2021-12-21 21:55:47,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c5c2039/9fac0f59563f4b62ae2902a31c57afbb/FLAG8b8fed287 [2021-12-21 21:55:47,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c5c2039/9fac0f59563f4b62ae2902a31c57afbb [2021-12-21 21:55:47,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 21:55:47,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 21:55:47,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 21:55:47,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 21:55:47,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 21:55:47,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e145a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47, skipping insertion in model container [2021-12-21 21:55:47,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 21:55:47,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 21:55:47,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 21:55:47,942 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 21:55:47,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 21:55:47,959 INFO L208 MainTranslator]: Completed translation [2021-12-21 21:55:47,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47 WrapperNode [2021-12-21 21:55:47,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 21:55:47,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 21:55:47,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 21:55:47,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 21:55:47,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,983 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-12-21 21:55:47,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 21:55:47,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 21:55:47,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 21:55:47,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 21:55:47,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:47,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 21:55:47,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 21:55:47,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 21:55:47,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 21:55:47,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (1/1) ... [2021-12-21 21:55:48,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,019 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) [2021-12-21 21:55:48,024 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 [2021-12-21 21:55:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 21:55:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 21:55:48,086 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 21:55:48,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 21:55:48,137 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 21:55:48,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 21:55:48,141 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 21:55:48,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:55:48 BoogieIcfgContainer [2021-12-21 21:55:48,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 21:55:48,143 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-21 21:55:48,143 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-21 21:55:48,145 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-21 21:55:48,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 21:55:48,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.12 09:55:47" (1/3) ... [2021-12-21 21:55:48,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62852c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 09:55:48, skipping insertion in model container [2021-12-21 21:55:48,147 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 21:55:48,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 09:55:47" (2/3) ... [2021-12-21 21:55:48,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62852c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.12 09:55:48, skipping insertion in model container [2021-12-21 21:55:48,147 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-21 21:55:48,148 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:55:48" (3/3) ... [2021-12-21 21:55:48,148 INFO L388 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-cousot9.c [2021-12-21 21:55:48,176 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-21 21:55:48,176 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-21 21:55:48,176 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-21 21:55:48,176 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-21 21:55:48,176 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-21 21:55:48,176 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-21 21:55:48,176 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-21 21:55:48,177 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-21 21:55:48,185 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 21:55:48,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 21:55:48,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 21:55:48,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 21:55:48,199 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 21:55:48,199 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 21:55:48,199 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-21 21:55:48,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 21:55:48,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 21:55:48,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 21:55:48,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 21:55:48,201 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-21 21:55:48,201 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 21:55:48,205 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 3#L19-2true [2021-12-21 21:55:48,205 INFO L793 eck$LassoCheckResult]: Loop: 3#L19-2true assume !!(main_~i~0#1 > 0); 9#L19true assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1; 3#L19-2true [2021-12-21 21:55:48,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:48,209 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-21 21:55:48,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:48,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495574062] [2021-12-21 21:55:48,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:48,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:48,261 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:48,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:48,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:48,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-12-21 21:55:48,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:48,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392126766] [2021-12-21 21:55:48,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:48,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:48,296 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:48,306 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:48,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:48,308 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-12-21 21:55:48,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:48,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136768767] [2021-12-21 21:55:48,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:48,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:48,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:48,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:48,432 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 21:55:48,433 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 21:55:48,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 21:55:48,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 21:55:48,433 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-21 21:55:48,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 21:55:48,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 21:55:48,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration1_Loop [2021-12-21 21:55:48,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 21:55:48,434 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 21:55:48,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,579 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 21:55:48,579 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-21 21:55:48,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,582 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) [2021-12-21 21:55:48,586 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:48,586 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:48,598 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 [2021-12-21 21:55:48,608 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:48,609 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:48,627 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 [2021-12-21 21:55:48,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,628 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) [2021-12-21 21:55:48,629 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 [2021-12-21 21:55:48,631 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:48,631 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:48,643 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:48,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:48,660 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 [2021-12-21 21:55:48,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,662 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) [2021-12-21 21:55:48,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:48,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:48,679 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 [2021-12-21 21:55:48,681 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:48,682 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=-4, ULTIMATE.start_main_~N~0#1=-4} Honda state: {ULTIMATE.start_main_~j~0#1=-4, ULTIMATE.start_main_~N~0#1=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:48,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-21 21:55:48,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,733 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) [2021-12-21 21:55:48,734 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 [2021-12-21 21:55:48,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:48,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:48,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-21 21:55:48,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,776 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) [2021-12-21 21:55:48,777 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 [2021-12-21 21:55:48,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-21 21:55:48,779 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:48,812 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-21 21:55:48,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-21 21:55:48,817 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 21:55:48,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 21:55:48,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 21:55:48,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 21:55:48,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 21:55:48,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 21:55:48,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 21:55:48,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration1_Loop [2021-12-21 21:55:48,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 21:55:48,817 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 21:55:48,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:48,898 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 21:55:48,904 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 21:55:48,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,907 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) [2021-12-21 21:55:48,908 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 [2021-12-21 21:55:48,909 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 [2021-12-21 21:55:48,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:48,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:48,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:48,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:48,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 21:55:48,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 21:55:48,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:48,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-21 21:55:48,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,950 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) [2021-12-21 21:55:48,951 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 [2021-12-21 21:55:48,952 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 [2021-12-21 21:55:48,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:48,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 21:55:48,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:48,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:48,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:48,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 21:55:48,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 21:55:48,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:48,990 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-21 21:55:48,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:48,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:48,992 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) [2021-12-21 21:55:48,993 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 [2021-12-21 21:55:48,994 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 [2021-12-21 21:55:49,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:49,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:49,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:49,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:49,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 21:55:49,003 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 21:55:49,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:49,026 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 [2021-12-21 21:55:49,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,030 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) [2021-12-21 21:55:49,033 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 [2021-12-21 21:55:49,034 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 [2021-12-21 21:55:49,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:49,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 21:55:49,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:49,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:49,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:49,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 21:55:49,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 21:55:49,051 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 21:55:49,052 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-21 21:55:49,053 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-21 21:55:49,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,055 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) [2021-12-21 21:55:49,056 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 [2021-12-21 21:55:49,057 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 21:55:49,057 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 21:55:49,057 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 21:55:49,057 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-21 21:55:49,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-21 21:55:49,078 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-21 21:55:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:49,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 21:55:49,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:49,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 21:55:49,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 21:55:49,138 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 21:55:49,139 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-12-21 21:55:49,163 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) Result 21 states and 29 transitions. Complement of second has 7 states. [2021-12-21 21:55:49,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-21 21:55:49,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2021-12-21 21:55:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-12-21 21:55:49,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 2 letters. Loop has 2 letters. [2021-12-21 21:55:49,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:49,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-21 21:55:49,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:49,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 2 letters. Loop has 4 letters. [2021-12-21 21:55:49,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:49,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 29 transitions. [2021-12-21 21:55:49,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 21:55:49,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 9 states and 12 transitions. [2021-12-21 21:55:49,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-12-21 21:55:49,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-12-21 21:55:49,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2021-12-21 21:55:49,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 21:55:49,177 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-12-21 21:55:49,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2021-12-21 21:55:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-12-21 21:55:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2021-12-21 21:55:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2021-12-21 21:55:49,195 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-21 21:55:49,195 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-21 21:55:49,195 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-21 21:55:49,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 11 transitions. [2021-12-21 21:55:49,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 21:55:49,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 21:55:49,196 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 21:55:49,196 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-21 21:55:49,196 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 21:55:49,196 INFO L791 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 73#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 75#L19-2 assume !!(main_~i~0#1 > 0); 69#L19 [2021-12-21 21:55:49,196 INFO L793 eck$LassoCheckResult]: Loop: 69#L19 assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1; 68#L19-2 assume !!(main_~i~0#1 > 0); 69#L19 [2021-12-21 21:55:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,197 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-21 21:55:49,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:49,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437360158] [2021-12-21 21:55:49,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:49,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,200 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,203 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:49,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 1 times [2021-12-21 21:55:49,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:49,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708255860] [2021-12-21 21:55:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:49,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,207 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:49,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,211 INFO L85 PathProgramCache]: Analyzing trace with hash 28699749, now seen corresponding path program 1 times [2021-12-21 21:55:49,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:49,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752813538] [2021-12-21 21:55:49,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:49,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,216 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,219 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:49,242 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 21:55:49,242 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 21:55:49,242 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 21:55:49,242 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 21:55:49,243 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-21 21:55:49,243 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,243 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 21:55:49,243 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 21:55:49,243 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration2_Loop [2021-12-21 21:55:49,243 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 21:55:49,243 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 21:55:49,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,283 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 21:55:49,283 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-21 21:55:49,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,285 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) [2021-12-21 21:55:49,309 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 [2021-12-21 21:55:49,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:49,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:49,324 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:49,324 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:49,346 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 [2021-12-21 21:55:49,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,347 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) [2021-12-21 21:55:49,348 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 [2021-12-21 21:55:49,349 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:49,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:49,372 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:49,372 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:49,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-21 21:55:49,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,402 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) [2021-12-21 21:55:49,404 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 [2021-12-21 21:55:49,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:49,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:49,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-21 21:55:49,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,430 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) [2021-12-21 21:55:49,430 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 [2021-12-21 21:55:49,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-21 21:55:49,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:49,481 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-21 21:55:49,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-21 21:55:49,499 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 21:55:49,499 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 21:55:49,499 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 21:55:49,499 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 21:55:49,499 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 21:55:49,499 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,499 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 21:55:49,499 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 21:55:49,499 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration2_Loop [2021-12-21 21:55:49,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 21:55:49,499 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 21:55:49,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,538 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 21:55:49,538 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 21:55:49,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,539 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) [2021-12-21 21:55:49,554 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 [2021-12-21 21:55:49,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:49,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:49,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:49,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:49,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 21:55:49,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 21:55:49,564 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 [2021-12-21 21:55:49,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:49,602 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 [2021-12-21 21:55:49,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,605 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) [2021-12-21 21:55:49,609 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 [2021-12-21 21:55:49,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:49,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:49,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:49,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:49,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 21:55:49,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 21:55:49,624 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 [2021-12-21 21:55:49,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:49,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-21 21:55:49,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,649 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) [2021-12-21 21:55:49,649 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 [2021-12-21 21:55:49,696 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 [2021-12-21 21:55:49,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:49,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 21:55:49,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:49,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:49,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:49,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 21:55:49,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 21:55:49,707 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 21:55:49,708 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-21 21:55:49,708 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-21 21:55:49,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,710 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) [2021-12-21 21:55:49,712 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 [2021-12-21 21:55:49,712 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 21:55:49,713 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 21:55:49,713 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 21:55:49,713 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-12-21 21:55:49,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-21 21:55:49,731 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-21 21:55:49,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:49,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 21:55:49,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:49,764 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 21:55:49,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 21:55:49,820 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 21:55:49,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) 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) [2021-12-21 21:55:49,836 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 11 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) 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) Result 16 states and 21 transitions. Complement of second has 5 states. [2021-12-21 21:55:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 21:55:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) 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) [2021-12-21 21:55:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-12-21 21:55:49,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-12-21 21:55:49,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:49,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 21:55:49,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:49,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-21 21:55:49,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:49,838 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-12-21 21:55:49,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 21:55:49,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2021-12-21 21:55:49,839 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-12-21 21:55:49,839 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-12-21 21:55:49,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-12-21 21:55:49,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-21 21:55:49,839 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-21 21:55:49,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-12-21 21:55:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-12-21 21:55:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 21:55:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-12-21 21:55:49,841 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-21 21:55:49,841 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-12-21 21:55:49,841 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-21 21:55:49,841 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2021-12-21 21:55:49,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-21 21:55:49,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-21 21:55:49,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-21 21:55:49,846 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2021-12-21 21:55:49,846 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-21 21:55:49,847 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~i~0#1, main_~j~0#1, main_~N~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~N~0#1;main_~j~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~N~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~i~0#1 := main_~N~0#1; 128#L19-2 assume !!(main_~i~0#1 > 0); 129#L19 assume !(main_~j~0#1 > 0);main_~j~0#1 := main_~N~0#1;main_~i~0#1 := main_~i~0#1 - 1; 138#L19-2 assume !!(main_~i~0#1 > 0); 134#L19 [2021-12-21 21:55:49,848 INFO L793 eck$LassoCheckResult]: Loop: 134#L19 assume main_~j~0#1 > 0;main_~j~0#1 := main_~j~0#1 - 1; 135#L19-2 assume !!(main_~i~0#1 > 0); 134#L19 [2021-12-21 21:55:49,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,848 INFO L85 PathProgramCache]: Analyzing trace with hash 28699811, now seen corresponding path program 2 times [2021-12-21 21:55:49,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:49,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600882772] [2021-12-21 21:55:49,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:49,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,856 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:49,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1406, now seen corresponding path program 2 times [2021-12-21 21:55:49,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:49,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794488218] [2021-12-21 21:55:49,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:49,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,863 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:49,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:49,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1810715040, now seen corresponding path program 1 times [2021-12-21 21:55:49,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 21:55:49,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350451770] [2021-12-21 21:55:49,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 21:55:49,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 21:55:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,878 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 21:55:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 21:55:49,881 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 21:55:49,893 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 21:55:49,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 21:55:49,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 21:55:49,894 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 21:55:49,894 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-21 21:55:49,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 21:55:49,894 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 21:55:49,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration3_Loop [2021-12-21 21:55:49,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 21:55:49,894 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 21:55:49,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:49,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 21:55:49,925 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-21 21:55:49,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,926 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) [2021-12-21 21:55:49,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:49,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:49,943 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 [2021-12-21 21:55:49,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:49,950 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:49,971 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 [2021-12-21 21:55:49,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:49,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:49,973 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) [2021-12-21 21:55:49,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:49,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:49,996 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 [2021-12-21 21:55:50,002 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-21 21:55:50,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~i~0#1=1} Honda state: {ULTIMATE.start_main_~i~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-21 21:55:50,020 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 [2021-12-21 21:55:50,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:50,022 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) [2021-12-21 21:55:50,023 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 [2021-12-21 21:55:50,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-21 21:55:50,044 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 [2021-12-21 21:55:50,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-21 21:55:50,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:50,069 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 [2021-12-21 21:55:50,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:50,071 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) [2021-12-21 21:55:50,072 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 [2021-12-21 21:55:50,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-21 21:55:50,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-21 21:55:50,118 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-21 21:55:50,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-21 21:55:50,122 INFO L210 LassoAnalysis]: Preferences: [2021-12-21 21:55:50,122 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-21 21:55:50,122 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-21 21:55:50,122 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-21 21:55:50,122 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-21 21:55:50,123 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,123 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-21 21:55:50,123 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-21 21:55:50,123 INFO L133 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-cousot9.c_Iteration3_Loop [2021-12-21 21:55:50,123 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-21 21:55:50,123 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-21 21:55:50,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:50,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:50,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:50,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-21 21:55:50,182 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-21 21:55:50,186 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-21 21:55:50,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:50,188 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) [2021-12-21 21:55:50,189 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 [2021-12-21 21:55:50,190 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 [2021-12-21 21:55:50,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:50,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 21:55:50,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:50,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:50,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:50,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 21:55:50,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 21:55:50,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:50,216 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 [2021-12-21 21:55:50,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:50,218 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) [2021-12-21 21:55:50,218 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 [2021-12-21 21:55:50,220 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 [2021-12-21 21:55:50,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:50,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:50,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:50,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:50,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-21 21:55:50,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-21 21:55:50,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-21 21:55:50,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-21 21:55:50,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:50,253 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) [2021-12-21 21:55:50,254 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 [2021-12-21 21:55:50,256 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 [2021-12-21 21:55:50,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-21 21:55:50,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-21 21:55:50,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-21 21:55:50,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-21 21:55:50,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-21 21:55:50,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-21 21:55:50,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-21 21:55:50,283 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-21 21:55:50,285 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-21 21:55:50,285 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-21 21:55:50,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-21 21:55:50,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 21:55:50,286 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) [2021-12-21 21:55:50,287 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 [2021-12-21 21:55:50,288 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-21 21:55:50,288 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-21 21:55:50,288 INFO L513 LassoAnalysis]: Proved termination. [2021-12-21 21:55:50,288 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1) = 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-12-21 21:55:50,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-21 21:55:50,304 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-21 21:55:50,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:50,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 21:55:50,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:50,340 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 21:55:50,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:50,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 21:55:50,358 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 21:55:50,359 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-21 21:55:50,364 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 14 states and 18 transitions. Complement of second has 5 states. [2021-12-21 21:55:50,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 21:55:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-21 21:55:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-12-21 21:55:50,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 21:55:50,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:50,379 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-21 21:55:50,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:50,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 21:55:50,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:50,404 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 21:55:50,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 21:55:50,425 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 21:55:50,426 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-21 21:55:50,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 13 states and 18 transitions. Complement of second has 5 states. [2021-12-21 21:55:50,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 21:55:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-21 21:55:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-12-21 21:55:50,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 21:55:50,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:50,439 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-21 21:55:50,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 21:55:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:50,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-21 21:55:50,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 21:55:50,461 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-21 21:55:50,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 21:55:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 21:55:50,476 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-21 21:55:50,477 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-21 21:55:50,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 16 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 18 states and 23 transitions. Complement of second has 4 states. [2021-12-21 21:55:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-21 21:55:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-12-21 21:55:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2021-12-21 21:55:50,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-21 21:55:50,491 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:50,491 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-21 21:55:50,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:50,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-21 21:55:50,492 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-21 21:55:50,493 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-12-21 21:55:50,496 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 21:55:50,496 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-12-21 21:55:50,496 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-21 21:55:50,496 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-21 21:55:50,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-21 21:55:50,496 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 21:55:50,496 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 21:55:50,496 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 21:55:50,496 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 21:55:50,497 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-21 21:55:50,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-21 21:55:50,497 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-21 21:55:50,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-21 21:55:50,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.12 09:55:50 BoogieIcfgContainer [2021-12-21 21:55:50,502 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-21 21:55:50,502 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 21:55:50,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 21:55:50,503 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 21:55:50,503 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 09:55:48" (3/4) ... [2021-12-21 21:55:50,505 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 21:55:50,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 21:55:50,506 INFO L158 Benchmark]: Toolchain (without parser) took 2670.07ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.2MB in the beginning and 91.2MB in the end (delta: -1.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-12-21 21:55:50,506 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 21:55:50,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 123.95ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 93.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 21:55:50,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.52ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 21:55:50,512 INFO L158 Benchmark]: Boogie Preprocessor took 12.83ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 91.2MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 21:55:50,512 INFO L158 Benchmark]: RCFGBuilder took 145.03ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 83.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 21:55:50,512 INFO L158 Benchmark]: BuchiAutomizer took 2358.88ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.1MB in the beginning and 91.2MB in the end (delta: -8.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-12-21 21:55:50,512 INFO L158 Benchmark]: Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 21:55:50,513 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 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 123.95ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 93.3MB in the end (delta: -3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.52ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 92.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.83ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 91.2MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 145.03ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 83.1MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2358.88ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 83.1MB in the beginning and 91.2MB in the end (delta: -8.1MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 2.58ms. Allocated memory is still 142.6MB. Free memory is still 91.2MB. 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 3 terminating modules (0 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function i and consists of 5 locations. One deterministic module has affine ranking function j and consists of 3 locations. One nondeterministic module has affine ranking function j and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 24 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT3 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 27ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-21 21:55:50,547 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 [2021-12-21 21:55:50,750 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