./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/TelAviv-Amir-Minimum-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-memory-alloca/TelAviv-Amir-Minimum-alloca.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b772ea6cbe9184ba53f1c8d4bd36c3171ff0dd060729f60e2639b94874c209a6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 14:25:59,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 14:25:59,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 14:25:59,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 14:25:59,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 14:25:59,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 14:25:59,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 14:25:59,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 14:25:59,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 14:25:59,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 14:25:59,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 14:25:59,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 14:25:59,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 14:25:59,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 14:25:59,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 14:25:59,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 14:25:59,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 14:25:59,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 14:25:59,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 14:25:59,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 14:25:59,821 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 14:25:59,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 14:25:59,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 14:25:59,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 14:25:59,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 14:25:59,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 14:25:59,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 14:25:59,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 14:25:59,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 14:25:59,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 14:25:59,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 14:25:59,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 14:25:59,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 14:25:59,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 14:25:59,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 14:25:59,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 14:25:59,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 14:25:59,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 14:25:59,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 14:25:59,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 14:25:59,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 14:25:59,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 14:25:59,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-07-23 14:25:59,872 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 14:25:59,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 14:25:59,872 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 14:25:59,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 14:25:59,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 14:25:59,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 14:25:59,875 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 14:25:59,875 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 14:25:59,876 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 14:25:59,876 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 14:25:59,877 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 14:25:59,877 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 14:25:59,877 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 14:25:59,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 14:25:59,877 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 14:25:59,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 14:25:59,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 14:25:59,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 14:25:59,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 14:25:59,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 14:25:59,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 14:25:59,879 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 14:25:59,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 14:25:59,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 14:25:59,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 14:25:59,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 14:25:59,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 14:25:59,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 14:25:59,881 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 14:25:59,881 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b772ea6cbe9184ba53f1c8d4bd36c3171ff0dd060729f60e2639b94874c209a6 [2022-07-23 14:26:00,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 14:26:00,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 14:26:00,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 14:26:00,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 14:26:00,148 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 14:26:00,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/TelAviv-Amir-Minimum-alloca.i [2022-07-23 14:26:00,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612cd5f3c/45c0270f37d546c79ad0c05b7cdbf8cf/FLAG19b0d8ae5 [2022-07-23 14:26:00,671 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 14:26:00,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/TelAviv-Amir-Minimum-alloca.i [2022-07-23 14:26:00,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612cd5f3c/45c0270f37d546c79ad0c05b7cdbf8cf/FLAG19b0d8ae5 [2022-07-23 14:26:01,026 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/612cd5f3c/45c0270f37d546c79ad0c05b7cdbf8cf [2022-07-23 14:26:01,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 14:26:01,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 14:26:01,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 14:26:01,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 14:26:01,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 14:26:01,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f19fa90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01, skipping insertion in model container [2022-07-23 14:26:01,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 14:26:01,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 14:26:01,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:26:01,347 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 14:26:01,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 14:26:01,405 INFO L208 MainTranslator]: Completed translation [2022-07-23 14:26:01,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01 WrapperNode [2022-07-23 14:26:01,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 14:26:01,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 14:26:01,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 14:26:01,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 14:26:01,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,442 INFO L137 Inliner]: procedures = 110, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-07-23 14:26:01,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 14:26:01,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 14:26:01,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 14:26:01,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 14:26:01,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 14:26:01,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 14:26:01,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 14:26:01,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 14:26:01,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (1/1) ... [2022-07-23 14:26:01,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:01,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:01,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:01,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 14:26:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 14:26:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 14:26:01,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 14:26:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 14:26:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 14:26:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 14:26:01,608 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 14:26:01,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 14:26:01,821 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 14:26:01,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 14:26:01,833 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 14:26:01,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:26:01 BoogieIcfgContainer [2022-07-23 14:26:01,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 14:26:01,835 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 14:26:01,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 14:26:01,841 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 14:26:01,842 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:26:01,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 02:26:01" (1/3) ... [2022-07-23 14:26:01,843 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64ebcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:26:01, skipping insertion in model container [2022-07-23 14:26:01,843 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:26:01,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:26:01" (2/3) ... [2022-07-23 14:26:01,844 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64ebcbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 02:26:01, skipping insertion in model container [2022-07-23 14:26:01,844 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 14:26:01,844 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:26:01" (3/3) ... [2022-07-23 14:26:01,845 INFO L354 chiAutomizerObserver]: Analyzing ICFG TelAviv-Amir-Minimum-alloca.i [2022-07-23 14:26:01,894 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 14:26:01,895 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 14:26:01,895 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 14:26:01,895 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 14:26:01,895 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 14:26:01,895 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 14:26:01,895 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 14:26:01,896 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 14:26:01,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:01,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:26:01,916 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:26:01,916 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:26:01,921 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:26:01,921 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:01,921 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 14:26:01,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:01,925 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:26:01,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:26:01,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:26:01,925 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-07-23 14:26:01,925 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:01,931 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 11#L551-2true [2022-07-23 14:26:01,932 INFO L754 eck$LassoCheckResult]: Loop: 11#L551-2true call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 14#L550-1true assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 6#L550-3true assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 12#L551true assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 8#L552true assume main_#t~mem8#1 < main_#t~mem9#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 9#L552-2true call write~int(main_#t~nondet12#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet12#1; 11#L551-2true [2022-07-23 14:26:01,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:01,937 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-07-23 14:26:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:01,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444551714] [2022-07-23 14:26:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:02,063 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:02,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:02,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:02,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1097700139, now seen corresponding path program 1 times [2022-07-23 14:26:02,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:02,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35998699] [2022-07-23 14:26:02,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:02,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:02,143 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:02,168 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:02,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:02,176 INFO L85 PathProgramCache]: Analyzing trace with hash 177749357, now seen corresponding path program 1 times [2022-07-23 14:26:02,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:02,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037481912] [2022-07-23 14:26:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:02,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:02,220 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:02,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:02,697 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:26:02,698 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:26:02,698 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:26:02,698 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:26:02,699 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:26:02,699 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:02,699 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:26:02,699 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:26:02,699 INFO L133 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum-alloca.i_Iteration1_Lasso [2022-07-23 14:26:02,699 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:26:02,699 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:26:02,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:02,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:03,296 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:26:03,302 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:26:03,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:03,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:03,311 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:03,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:03,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-23 14:26:03,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:03,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:03,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:03,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:03,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:03,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:03,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:03,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:03,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:03,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:03,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:03,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-23 14:26:03,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:03,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:03,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:03,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:03,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:03,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:03,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:03,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:03,419 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:26:03,428 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-07-23 14:26:03,428 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-07-23 14:26:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:03,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:03,466 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:26:03,466 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-07-23 14:26:03,466 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:26:03,467 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 Supporting invariants [] [2022-07-23 14:26:03,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-23 14:26:03,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:03,532 INFO L293 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-07-23 14:26:03,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:03,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:03,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:03,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:03,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:03,769 INFO L356 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2022-07-23 14:26:03,769 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 29 [2022-07-23 14:26:03,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:03,817 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:03,818 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:03,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 53 states and 65 transitions. Complement of second has 12 states. [2022-07-23 14:26:03,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:03,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:03,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 25 transitions. [2022-07-23 14:26:03,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-23 14:26:03,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:03,899 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:26:03,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:03,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:03,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:03,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:03,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:03,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:04,066 INFO L356 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2022-07-23 14:26:04,067 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 29 [2022-07-23 14:26:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:04,087 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:04,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:04,167 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 67 transitions. Complement of second has 14 states. [2022-07-23 14:26:04,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 26 transitions. [2022-07-23 14:26:04,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 2 letters. Loop has 6 letters. [2022-07-23 14:26:04,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:04,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 8 letters. Loop has 6 letters. [2022-07-23 14:26:04,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:04,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 26 transitions. Stem has 2 letters. Loop has 12 letters. [2022-07-23 14:26:04,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:04,171 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 67 transitions. [2022-07-23 14:26:04,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:26:04,182 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 26 states and 36 transitions. [2022-07-23 14:26:04,182 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-07-23 14:26:04,183 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-07-23 14:26:04,183 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2022-07-23 14:26:04,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:26:04,183 INFO L369 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-07-23 14:26:04,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2022-07-23 14:26:04,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2022-07-23 14:26:04,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:04,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2022-07-23 14:26:04,205 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-07-23 14:26:04,206 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2022-07-23 14:26:04,206 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 14:26:04,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2022-07-23 14:26:04,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:26:04,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:26:04,208 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:26:04,209 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:04,209 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:04,209 INFO L752 eck$LassoCheckResult]: Stem: 276#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 277#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 289#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 282#L550-1 assume !main_#t~short6#1; 292#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 291#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 278#L559 [2022-07-23 14:26:04,210 INFO L754 eck$LassoCheckResult]: Loop: 278#L559 assume main_#t~mem13#1 < main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem15#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 279#L559-2 call write~int(main_#t~nondet17#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet17#1; 273#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 280#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 287#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 283#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 278#L559 [2022-07-23 14:26:04,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:04,210 INFO L85 PathProgramCache]: Analyzing trace with hash 889571380, now seen corresponding path program 1 times [2022-07-23 14:26:04,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:04,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397331217] [2022-07-23 14:26:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:04,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:04,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 14:26:04,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397331217] [2022-07-23 14:26:04,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397331217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 14:26:04,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 14:26:04,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 14:26:04,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786778280] [2022-07-23 14:26:04,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 14:26:04,252 INFO L757 eck$LassoCheckResult]: stem already infeasible [2022-07-23 14:26:04,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1866654676, now seen corresponding path program 1 times [2022-07-23 14:26:04,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:04,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246640135] [2022-07-23 14:26:04,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:04,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,262 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:04,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 14:26:04,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 14:26:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 14:26:04,428 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:04,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 14:26:04,438 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2022-07-23 14:26:04,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 14:26:04,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-07-23 14:26:04,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:26:04,441 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 21 states and 27 transitions. [2022-07-23 14:26:04,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-07-23 14:26:04,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-07-23 14:26:04,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-07-23 14:26:04,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:26:04,441 INFO L369 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-07-23 14:26:04,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-07-23 14:26:04,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-07-23 14:26:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2022-07-23 14:26:04,444 INFO L392 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-07-23 14:26:04,444 INFO L374 stractBuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-07-23 14:26:04,444 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 14:26:04,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2022-07-23 14:26:04,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-07-23 14:26:04,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:26:04,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:26:04,445 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:04,445 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:04,445 INFO L752 eck$LassoCheckResult]: Stem: 327#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 328#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 331#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 333#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 338#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 334#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 329#L559 [2022-07-23 14:26:04,446 INFO L754 eck$LassoCheckResult]: Loop: 329#L559 assume main_#t~mem13#1 < main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem15#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 330#L559-2 call write~int(main_#t~nondet17#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet17#1; 324#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 343#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 342#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 341#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 329#L559 [2022-07-23 14:26:04,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:04,446 INFO L85 PathProgramCache]: Analyzing trace with hash 889569458, now seen corresponding path program 1 times [2022-07-23 14:26:04,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:04,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251418376] [2022-07-23 14:26:04,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:04,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,458 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:04,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:04,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1866654676, now seen corresponding path program 2 times [2022-07-23 14:26:04,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:04,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814979983] [2022-07-23 14:26:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:04,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,476 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:04,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1277664197, now seen corresponding path program 1 times [2022-07-23 14:26:04,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:04,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612018790] [2022-07-23 14:26:04,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:04,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,502 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:04,531 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:04,974 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:26:04,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:26:04,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:26:04,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:26:04,975 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:26:04,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:04,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:26:04,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:26:04,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum-alloca.i_Iteration3_Lasso [2022-07-23 14:26:04,975 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:26:04,975 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:26:04,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:04,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:05,515 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:26:05,516 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:26:05,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,517 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-23 14:26:05,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:05,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,534 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,534 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:05,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:05,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:05,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,575 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:05,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:05,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-23 14:26:05,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:05,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:05,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:05,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:05,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-23 14:26:05,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:05,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-23 14:26:05,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:05,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:05,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:05,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:05,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-23 14:26:05,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:05,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:05,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:05,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,796 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-07-23 14:26:05,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:05,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:05,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:05,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-07-23 14:26:05,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,833 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-07-23 14:26:05,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:05,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:05,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-07-23 14:26:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,890 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-07-23 14:26:05,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:05,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:05,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:05,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:05,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,936 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-07-23 14:26:05,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:05,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:05,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:05,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:05,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:05,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:05,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:05,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:05,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:05,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-07-23 14:26:05,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:05,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:05,988 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:05,994 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 [2022-07-23 14:26:06,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:06,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:06,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:06,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:06,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:06,002 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:06,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:06,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-07-23 14:26:06,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:06,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:06,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:06,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:06,038 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:06,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:06,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:06,051 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:06,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:06,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:06,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:06,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:06,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:06,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-07-23 14:26:06,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:06,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:06,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:06,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:06,091 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:06,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:06,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:06,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:06,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:06,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:06,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:06,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:06,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-07-23 14:26:06,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:06,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:06,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:06,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:06,149 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:06,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-07-23 14:26:06,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:06,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:06,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:06,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:06,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:06,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:06,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:06,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:06,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:06,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:06,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:06,214 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:06,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:06,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:06,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:06,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:06,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:06,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:06,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:06,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-07-23 14:26:06,255 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:26:06,271 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-07-23 14:26:06,271 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2022-07-23 14:26:06,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:06,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:06,273 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:06,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-07-23 14:26:06,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:26:06,295 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:26:06,295 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:26:06,295 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 Supporting invariants [] [2022-07-23 14:26:06,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:06,345 INFO L293 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2022-07-23 14:26:06,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:06,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-23 14:26:06,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:06,398 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-23 14:26:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:06,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-23 14:26:06,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:06,436 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-07-23 14:26:06,453 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-07-23 14:26:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:06,518 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2022-07-23 14:26:06,518 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:06,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 27 transitions. cyclomatic complexity: 8. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 59 transitions. Complement of second has 10 states. [2022-07-23 14:26:06,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:06,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:06,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2022-07-23 14:26:06,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 6 letters. [2022-07-23 14:26:06,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:06,601 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 12 letters. Loop has 6 letters. [2022-07-23 14:26:06,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:06,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 20 transitions. Stem has 6 letters. Loop has 12 letters. [2022-07-23 14:26:06,603 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:06,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2022-07-23 14:26:06,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-07-23 14:26:06,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 39 states and 51 transitions. [2022-07-23 14:26:06,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2022-07-23 14:26:06,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-07-23 14:26:06,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 51 transitions. [2022-07-23 14:26:06,606 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:26:06,606 INFO L369 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2022-07-23 14:26:06,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 51 transitions. [2022-07-23 14:26:06,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-07-23 14:26:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2022-07-23 14:26:06,609 INFO L392 hiAutomatonCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-07-23 14:26:06,609 INFO L374 stractBuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2022-07-23 14:26:06,609 INFO L287 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-07-23 14:26:06,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 47 transitions. [2022-07-23 14:26:06,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2022-07-23 14:26:06,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:26:06,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:26:06,610 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:26:06,610 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:06,611 INFO L752 eck$LassoCheckResult]: Stem: 509#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 510#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 531#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 518#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 525#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 526#L551 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 533#L552 assume !(main_#t~mem8#1 < main_#t~mem9#1);havoc main_#t~mem8#1;havoc main_#t~mem9#1;call main_#t~mem11#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem11#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem11#1; 537#L552-2 [2022-07-23 14:26:06,611 INFO L754 eck$LassoCheckResult]: Loop: 537#L552-2 call write~int(main_#t~nondet12#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~nondet12#1; 515#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 516#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 540#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 539#L551 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem9#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 538#L552 assume main_#t~mem8#1 < main_#t~mem9#1;havoc main_#t~mem8#1;havoc main_#t~mem9#1;call main_#t~mem10#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem10#1 - 1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem10#1; 537#L552-2 [2022-07-23 14:26:06,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:06,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849169, now seen corresponding path program 1 times [2022-07-23 14:26:06,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:06,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79615786] [2022-07-23 14:26:06,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:06,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:06,643 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:06,656 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:06,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:06,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1695900439, now seen corresponding path program 2 times [2022-07-23 14:26:06,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:06,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460609924] [2022-07-23 14:26:06,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:06,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:06,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:06,686 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:06,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:06,688 INFO L85 PathProgramCache]: Analyzing trace with hash 272239527, now seen corresponding path program 1 times [2022-07-23 14:26:06,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:06,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452821448] [2022-07-23 14:26:06,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:06,707 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:06,720 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:06,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:07,106 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:26:07,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:26:07,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:26:07,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:26:07,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:26:07,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,107 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:26:07,107 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:26:07,107 INFO L133 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum-alloca.i_Iteration4_Lasso [2022-07-23 14:26:07,107 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:26:07,107 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:26:07,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,121 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,348 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:07,592 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:26:07,592 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:26:07,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,594 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-07-23 14:26:07,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:07,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:07,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:07,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-07-23 14:26:07,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,619 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-07-23 14:26:07,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:07,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,681 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-07-23 14:26:07,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,690 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-07-23 14:26:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,710 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-07-23 14:26:07,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-07-23 14:26:07,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,741 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-07-23 14:26:07,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,794 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 [2022-07-23 14:26:07,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,795 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-07-23 14:26:07,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,809 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,809 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,853 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 [2022-07-23 14:26:07,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,854 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-07-23 14:26:07,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:07,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:07,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,886 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-07-23 14:26:07,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:07,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:07,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:07,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:07,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:07,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:07,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:07,902 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:26:07,908 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-07-23 14:26:07,908 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-23 14:26:07,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:07,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:07,909 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:07,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-07-23 14:26:07,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:26:07,917 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:26:07,917 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:26:07,917 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_3 Supporting invariants [] [2022-07-23 14:26:07,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:07,954 INFO L293 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-07-23 14:26:07,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:07,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:07,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:08,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:08,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:08,034 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:26:08,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-07-23 14:26:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:08,148 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:08,148 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 47 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:08,201 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 47 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 84 states and 110 transitions. Complement of second has 11 states. [2022-07-23 14:26:08,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:08,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-07-23 14:26:08,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-23 14:26:08,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:08,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 13 letters. Loop has 6 letters. [2022-07-23 14:26:08,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:08,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 7 letters. Loop has 12 letters. [2022-07-23 14:26:08,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:08,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 110 transitions. [2022-07-23 14:26:08,205 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2022-07-23 14:26:08,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 80 states and 104 transitions. [2022-07-23 14:26:08,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2022-07-23 14:26:08,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2022-07-23 14:26:08,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 104 transitions. [2022-07-23 14:26:08,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-07-23 14:26:08,207 INFO L369 hiAutomatonCegarLoop]: Abstraction has 80 states and 104 transitions. [2022-07-23 14:26:08,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 104 transitions. [2022-07-23 14:26:08,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 75. [2022-07-23 14:26:08,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 74 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:08,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2022-07-23 14:26:08,212 INFO L392 hiAutomatonCegarLoop]: Abstraction has 75 states and 98 transitions. [2022-07-23 14:26:08,212 INFO L374 stractBuchiCegarLoop]: Abstraction has 75 states and 98 transitions. [2022-07-23 14:26:08,212 INFO L287 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-07-23 14:26:08,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states and 98 transitions. [2022-07-23 14:26:08,213 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2022-07-23 14:26:08,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 14:26:08,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 14:26:08,214 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 14:26:08,214 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-07-23 14:26:08,214 INFO L752 eck$LassoCheckResult]: Stem: 745#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 746#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~mem11#1, main_#t~nondet12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~mem15#1, main_#t~mem16#1, main_#t~nondet17#1, main_#t~mem4#1, main_#t~mem5#1, main_#t~short6#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 763#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 791#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 790#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 788#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 789#L559 assume !(main_#t~mem13#1 < main_#t~mem14#1);havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem16#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call write~int(main_#t~mem16#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1; 786#L559-2 [2022-07-23 14:26:08,214 INFO L754 eck$LassoCheckResult]: Loop: 786#L559-2 call write~int(main_#t~nondet17#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~nondet17#1; 785#L551-2 call main_#t~mem4#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~short6#1 := main_#t~mem4#1 > 0; 784#L550-1 assume main_#t~short6#1;call main_#t~mem5#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short6#1 := main_#t~mem5#1 > 0; 783#L550-3 assume !!main_#t~short6#1;havoc main_#t~mem4#1;havoc main_#t~mem5#1;havoc main_#t~short6#1; 781#L551 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call main_#t~mem14#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4); 782#L559 assume main_#t~mem13#1 < main_#t~mem14#1;havoc main_#t~mem13#1;havoc main_#t~mem14#1;call main_#t~mem15#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem15#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem15#1; 786#L559-2 [2022-07-23 14:26:08,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:08,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1806849457, now seen corresponding path program 1 times [2022-07-23 14:26:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:08,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331463287] [2022-07-23 14:26:08,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:08,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:08,225 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:08,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:08,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:08,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1953563086, now seen corresponding path program 3 times [2022-07-23 14:26:08,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:08,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325490374] [2022-07-23 14:26:08,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:08,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:08,239 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:08,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:08,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:08,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1567075458, now seen corresponding path program 1 times [2022-07-23 14:26:08,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 14:26:08,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552212881] [2022-07-23 14:26:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 14:26:08,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 14:26:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:08,258 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 14:26:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 14:26:08,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 14:26:08,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:08,619 INFO L210 LassoAnalysis]: Preferences: [2022-07-23 14:26:08,619 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-23 14:26:08,619 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-23 14:26:08,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-23 14:26:08,620 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-23 14:26:08,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:08,620 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-23 14:26:08,620 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-23 14:26:08,620 INFO L133 ssoRankerPreferences]: Filename of dumped script: TelAviv-Amir-Minimum-alloca.i_Iteration5_Lasso [2022-07-23 14:26:08,620 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-23 14:26:08,620 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-23 14:26:08,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:08,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-23 14:26:09,079 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-23 14:26:09,080 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-23 14:26:09,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,081 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-07-23 14:26:09,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:09,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:09,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:09,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-07-23 14:26:09,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,107 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-07-23 14:26:09,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:09,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:09,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:09,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-07-23 14:26:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,137 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-07-23 14:26:09,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-07-23 14:26:09,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,168 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-07-23 14:26:09,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:09,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:09,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:09,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-07-23 14:26:09,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,194 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-07-23 14:26:09,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-07-23 14:26:09,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,221 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-07-23 14:26:09,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:09,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:09,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:09,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-07-23 14:26:09,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,261 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-07-23 14:26:09,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-23 14:26:09,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-23 14:26:09,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-23 14:26:09,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,286 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-07-23 14:26:09,320 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,327 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-07-23 14:26:09,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,345 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-07-23 14:26:09,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-07-23 14:26:09,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,383 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-07-23 14:26:09,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-07-23 14:26:09,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,430 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,430 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-07-23 14:26:09,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-23 14:26:09,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-07-23 14:26:09,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,459 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-07-23 14:26:09,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-23 14:26:09,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-23 14:26:09,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-23 14:26:09,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-23 14:26:09,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-23 14:26:09,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-07-23 14:26:09,470 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-07-23 14:26:09,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-23 14:26:09,513 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-07-23 14:26:09,513 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-07-23 14:26:09,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 14:26:09,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 14:26:09,515 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 14:26:09,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-07-23 14:26:09,521 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-23 14:26:09,527 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-07-23 14:26:09,528 INFO L513 LassoAnalysis]: Proved termination. [2022-07-23 14:26:09,528 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_4 Supporting invariants [] [2022-07-23 14:26:09,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-07-23 14:26:09,565 INFO L293 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-07-23 14:26:09,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:09,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:09,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:09,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:09,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:09,647 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:26:09,648 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-07-23 14:26:09,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-07-23 14:26:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:09,816 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:09,816 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:09,856 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 143 states and 186 transitions. Complement of second has 9 states. [2022-07-23 14:26:09,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:09,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-07-23 14:26:09,860 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-23 14:26:09,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:09,860 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:26:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:09,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:09,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:09,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:09,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:09,940 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:26:09,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-07-23 14:26:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:10,046 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:10,046 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,091 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 143 states and 186 transitions. Complement of second has 9 states. [2022-07-23 14:26:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:10,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2022-07-23 14:26:10,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-23 14:26:10,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:10,093 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:26:10,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:10,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:10,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:10,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:10,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:10,152 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:26:10,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-07-23 14:26:10,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:10,254 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 5 loop predicates [2022-07-23 14:26:10,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,301 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 113 states and 146 transitions. Complement of second has 8 states. [2022-07-23 14:26:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2022-07-23 14:26:10,302 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-23 14:26:10,302 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:10,302 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:26:10,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:10,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:10,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:10,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:10,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:10,360 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:26:10,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-07-23 14:26:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:10,458 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:10,458 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,509 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 75 states and 98 transitions. cyclomatic complexity: 32. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 113 states and 146 transitions. Complement of second has 8 states. [2022-07-23 14:26:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:10,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2022-07-23 14:26:10,510 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-23 14:26:10,511 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:10,511 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:26:10,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 14:26:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:10,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 14:26:10,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 14:26:10,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-23 14:26:10,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 14:26:10,568 INFO L356 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-07-23 14:26:10,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 26 [2022-07-23 14:26:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 14:26:10,665 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-07-23 14:26:10,666 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 75 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,845 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 75 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 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 912 states and 1418 transitions. Complement of second has 82 states 10 powerset states72 rank states. The highest rank that occured is 7 [2022-07-23 14:26:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2022-07-23 14:26:10,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 14:26:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 59 transitions. [2022-07-23 14:26:10,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 59 transitions. Stem has 7 letters. Loop has 6 letters. [2022-07-23 14:26:10,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-23 14:26:10,848 INFO L577 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2022-07-23 14:26:10,848 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: no settings was sufficient at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.refineBuchiAndReportRankingFunction(AbstractBuchiCegarLoop.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:358) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:363) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 14:26:10,851 INFO L158 Benchmark]: Toolchain (without parser) took 9821.73ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 77.7MB in the beginning and 85.5MB in the end (delta: -7.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-07-23 14:26:10,852 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 14:26:10,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.84ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 78.9MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-23 14:26:10,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.76ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:26:10,853 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 75.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 14:26:10,853 INFO L158 Benchmark]: RCFGBuilder took 370.79ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 64.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-23 14:26:10,853 INFO L158 Benchmark]: BuchiAutomizer took 9015.65ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 64.2MB in the beginning and 85.5MB in the end (delta: -21.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-07-23 14:26:10,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.84ms. Allocated memory is still 111.1MB. Free memory was 77.7MB in the beginning and 78.9MB in the end (delta: -1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.76ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 77.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 111.1MB. Free memory was 77.1MB in the beginning and 75.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 370.79ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 64.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 9015.65ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 64.2MB in the beginning and 85.5MB in the end (delta: -21.3MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: no settings was sufficient de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: no settings was sufficient: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiAutomatonCegarLoop.refineBuchi(BuchiAutomatonCegarLoop.java:325) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-07-23 14:26:10,883 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 Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: no settings was sufficient