./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 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/array-memsafety/openbsd_cstrcat-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 10:17:02,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 10:17:02,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 10:17:02,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 10:17:02,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 10:17:02,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 10:17:02,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 10:17:02,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 10:17:02,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 10:17:02,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 10:17:02,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 10:17:02,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 10:17:02,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 10:17:02,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 10:17:02,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 10:17:02,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 10:17:02,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 10:17:02,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 10:17:02,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 10:17:02,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 10:17:02,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 10:17:02,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 10:17:02,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 10:17:02,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 10:17:02,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 10:17:02,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 10:17:02,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 10:17:02,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 10:17:02,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 10:17:02,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 10:17:02,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 10:17:02,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 10:17:02,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 10:17:02,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 10:17:02,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 10:17:02,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 10:17:02,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 10:17:02,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 10:17:02,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 10:17:02,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 10:17:02,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 10:17:02,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-16 10:17:02,805 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 10:17:02,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 10:17:02,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 10:17:02,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 10:17:02,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 10:17:02,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 10:17:02,807 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 10:17:02,807 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-16 10:17:02,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-16 10:17:02,807 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-16 10:17:02,808 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-16 10:17:02,808 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-16 10:17:02,808 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-16 10:17:02,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-16 10:17:02,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-16 10:17:02,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-16 10:17:02,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-16 10:17:02,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 10:17:02,811 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-16 10:17:02,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 10:17:02,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-16 10:17:02,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 10:17:02,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 10:17:02,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 10:17:02,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 10:17:02,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 10:17:02,813 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-16 10:17:02,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8688e0efa9d37c2205606fbd307da42d83b0f0e2936dd15336b8b67e136d86b0 [2021-12-16 10:17:03,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 10:17:03,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 10:17:03,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 10:17:03,035 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 10:17:03,035 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 10:17:03,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-12-16 10:17:03,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8abc2d44/311e5c9f7e3f49778ffeac6c7b5e7153/FLAG748625a68 [2021-12-16 10:17:03,443 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 10:17:03,443 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2021-12-16 10:17:03,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8abc2d44/311e5c9f7e3f49778ffeac6c7b5e7153/FLAG748625a68 [2021-12-16 10:17:03,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8abc2d44/311e5c9f7e3f49778ffeac6c7b5e7153 [2021-12-16 10:17:03,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 10:17:03,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 10:17:03,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 10:17:03,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 10:17:03,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 10:17:03,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa1c748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03, skipping insertion in model container [2021-12-16 10:17:03,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 10:17:03,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 10:17:03,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:17:03,793 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 10:17:03,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 10:17:03,835 INFO L208 MainTranslator]: Completed translation [2021-12-16 10:17:03,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03 WrapperNode [2021-12-16 10:17:03,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 10:17:03,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 10:17:03,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 10:17:03,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 10:17:03,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,874 INFO L137 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-12-16 10:17:03,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 10:17:03,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 10:17:03,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 10:17:03,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 10:17:03,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 10:17:03,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 10:17:03,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 10:17:03,899 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 10:17:03,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (1/1) ... [2021-12-16 10:17:03,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:03,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:03,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:03,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-16 10:17:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 10:17:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 10:17:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 10:17:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 10:17:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 10:17:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 10:17:04,019 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 10:17:04,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 10:17:04,173 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 10:17:04,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 10:17:04,177 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-16 10:17:04,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:04 BoogieIcfgContainer [2021-12-16 10:17:04,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 10:17:04,179 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-16 10:17:04,179 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-16 10:17:04,182 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-16 10:17:04,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:04,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.12 10:17:03" (1/3) ... [2021-12-16 10:17:04,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f7a628b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:17:04, skipping insertion in model container [2021-12-16 10:17:04,183 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:04,183 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:17:03" (2/3) ... [2021-12-16 10:17:04,183 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f7a628b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.12 10:17:04, skipping insertion in model container [2021-12-16 10:17:04,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-16 10:17:04,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:04" (3/3) ... [2021-12-16 10:17:04,188 INFO L388 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcat-alloca-2.i [2021-12-16 10:17:04,223 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-16 10:17:04,223 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-16 10:17:04,223 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-16 10:17:04,223 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-16 10:17:04,223 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-16 10:17:04,223 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-16 10:17:04,223 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-16 10:17:04,223 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-16 10:17:04,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:04,252 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-12-16 10:17:04,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:04,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:04,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:17:04,256 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:04,256 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-16 10:17:04,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:04,257 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 9 [2021-12-16 10:17:04,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:04,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:04,258 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-16 10:17:04,258 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:04,262 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 3#L525true assume !(main_~length1~0#1 < 1); 11#L525-2true assume !(main_~length2~0#1 < 2); 21#L528-1true assume !(main_~length3~0#1 < 1); 13#L531-1true assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 4#L538-3true [2021-12-16 10:17:04,262 INFO L793 eck$LassoCheckResult]: Loop: 4#L538-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet13#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 18#L538-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 4#L538-3true [2021-12-16 10:17:04,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 889572367, now seen corresponding path program 1 times [2021-12-16 10:17:04,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:04,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430809605] [2021-12-16 10:17:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:04,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:04,337 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:04,359 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:04,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:04,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2019, now seen corresponding path program 1 times [2021-12-16 10:17:04,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:04,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386734316] [2021-12-16 10:17:04,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:04,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:04,369 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:04,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:04,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:04,376 INFO L85 PathProgramCache]: Analyzing trace with hash 180553841, now seen corresponding path program 1 times [2021-12-16 10:17:04,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:04,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640910386] [2021-12-16 10:17:04,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:04,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:04,394 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:04,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:04,720 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:04,721 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:04,721 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:04,721 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:04,721 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:04,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:04,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:04,722 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:04,722 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration1_Lasso [2021-12-16 10:17:04,722 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:04,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:04,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:04,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:05,115 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:05,118 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:05,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-16 10:17:05,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-12-16 10:17:05,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,197 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-16 10:17:05,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-16 10:17:05,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-16 10:17:05,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-16 10:17:05,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,264 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-16 10:17:05,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-16 10:17:05,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,316 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,316 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-16 10:17:05,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-16 10:17:05,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,414 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-16 10:17:05,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,454 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-16 10:17:05,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,482 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-16 10:17:05,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,483 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-16 10:17:05,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,530 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-16 10:17:05,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-16 10:17:05,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,571 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-16 10:17:05,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:05,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:05,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:05,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,614 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-16 10:17:05,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,625 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,625 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,662 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-16 10:17:05,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:05,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:05,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,721 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-16 10:17:05,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:05,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:05,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:05,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:05,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:05,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:05,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:05,752 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:05,767 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-16 10:17:05,767 INFO L444 ModelExtractionUtils]: 17 out of 31 variables were initially zero. Simplification set additionally 11 variables to zero. [2021-12-16 10:17:05,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:05,770 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:05,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-16 10:17:05,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:05,801 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 10:17:05,801 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:05,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-16 10:17:05,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-16 10:17:05,830 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-16 10:17:05,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:05,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-16 10:17:05,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:05,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:17:05,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:05,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:05,919 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-16 10:17:05,920 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-12-16 10:17:05,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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 55 states and 77 transitions. Complement of second has 7 states. [2021-12-16 10:17:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2021-12-16 10:17:05,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 54 transitions. [2021-12-16 10:17:05,979 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-16 10:17:05,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:05,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-16 10:17:05,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:05,980 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 54 transitions. Stem has 6 letters. Loop has 4 letters. [2021-12-16 10:17:05,980 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:05,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 77 transitions. [2021-12-16 10:17:05,982 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-16 10:17:05,984 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 18 states and 25 transitions. [2021-12-16 10:17:05,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-16 10:17:05,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-16 10:17:05,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 25 transitions. [2021-12-16 10:17:05,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:05,986 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-16 10:17:05,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 25 transitions. [2021-12-16 10:17:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-12-16 10:17:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 25 transitions. [2021-12-16 10:17:06,002 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-16 10:17:06,002 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 25 transitions. [2021-12-16 10:17:06,002 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-16 10:17:06,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 25 transitions. [2021-12-16 10:17:06,003 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-16 10:17:06,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:06,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:06,003 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:06,003 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:06,003 INFO L791 eck$LassoCheckResult]: Stem: 158#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 156#L525 assume !(main_~length1~0#1 < 1); 157#L525-2 assume !(main_~length2~0#1 < 2); 165#L528-1 assume !(main_~length3~0#1 < 1); 167#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 152#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 154#L538-4 main_~i~1#1 := 0; 160#L542-3 [2021-12-16 10:17:06,004 INFO L793 eck$LassoCheckResult]: Loop: 160#L542-3 assume !!(main_~i~1#1 < main_~length3~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 166#L542-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 160#L542-3 [2021-12-16 10:17:06,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 180553783, now seen corresponding path program 1 times [2021-12-16 10:17:06,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:06,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902986880] [2021-12-16 10:17:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:06,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:06,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:06,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:06,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:06,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2467, now seen corresponding path program 1 times [2021-12-16 10:17:06,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:06,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702078129] [2021-12-16 10:17:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:06,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:06,027 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:06,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:06,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:06,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495129, now seen corresponding path program 1 times [2021-12-16 10:17:06,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:06,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564074045] [2021-12-16 10:17:06,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:06,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:06,042 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:06,066 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:06,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:06,345 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:06,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:06,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:06,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:06,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:06,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:06,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:06,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration2_Lasso [2021-12-16 10:17:06,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:06,345 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:06,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:06,662 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:06,662 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:06,662 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,663 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-16 10:17:06,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:06,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:06,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:06,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:06,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,704 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-16 10:17:06,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:06,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:06,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:06,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:06,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,771 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,776 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:06,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:06,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:06,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-16 10:17:06,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:06,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,823 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:06,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:06,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-16 10:17:06,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:06,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,872 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-16 10:17:06,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:06,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:06,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,907 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 [2021-12-16 10:17:06,908 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,908 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-16 10:17:06,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:06,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:06,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:06,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-16 10:17:06,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,944 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-16 10:17:06,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:06,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:06,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:06,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:06,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:06,954 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:06,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:06,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:06,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:06,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:06,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:06,983 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:06,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:07,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:07,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:07,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:07,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:07,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:07,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:07,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-16 10:17:07,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:07,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:07,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:07,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:07,047 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:07,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-16 10:17:07,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:07,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:07,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:07,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:07,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:07,057 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:07,057 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:07,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:07,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:07,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:07,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:07,093 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:07,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-16 10:17:07,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:07,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:07,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:07,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:07,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:07,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:07,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:07,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:07,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:07,118 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-16 10:17:07,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:07,119 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:07,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-16 10:17:07,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:07,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:07,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:07,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:07,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:07,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:07,133 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:07,157 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:07,174 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-16 10:17:07,174 INFO L444 ModelExtractionUtils]: 21 out of 34 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-16 10:17:07,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:07,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:07,176 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:07,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-16 10:17:07,178 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:07,198 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-16 10:17:07,199 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:07,199 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1) = -1*ULTIMATE.start_main_~i~1#1 + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~nondetString2~0#1.offset >= 0] [2021-12-16 10:17:07,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:07,227 INFO L297 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2021-12-16 10:17:07,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:07,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-16 10:17:07,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:07,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-16 10:17:07,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:07,325 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-16 10:17:07,325 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:07,360 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 25 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 26 states and 38 transitions. Complement of second has 7 states. [2021-12-16 10:17:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:07,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-12-16 10:17:07,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 2 letters. [2021-12-16 10:17:07,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:07,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 2 letters. [2021-12-16 10:17:07,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:07,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-16 10:17:07,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:07,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 38 transitions. [2021-12-16 10:17:07,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-16 10:17:07,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 19 states and 27 transitions. [2021-12-16 10:17:07,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-16 10:17:07,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-16 10:17:07,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2021-12-16 10:17:07,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:07,364 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-12-16 10:17:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2021-12-16 10:17:07,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-16 10:17:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 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) [2021-12-16 10:17:07,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2021-12-16 10:17:07,365 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-12-16 10:17:07,365 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2021-12-16 10:17:07,365 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-16 10:17:07,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2021-12-16 10:17:07,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-16 10:17:07,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:07,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:07,366 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:07,366 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:07,367 INFO L791 eck$LassoCheckResult]: Stem: 290#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 291#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 288#L525 assume !(main_~length1~0#1 < 1); 289#L525-2 assume !(main_~length2~0#1 < 2); 299#L528-1 assume !(main_~length3~0#1 < 1); 300#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 284#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 286#L538-4 main_~i~1#1 := 0; 292#L542-3 assume !(main_~i~1#1 < main_~length3~0#1 - 1); 301#L542-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 302#L517-4 [2021-12-16 10:17:07,367 INFO L793 eck$LassoCheckResult]: Loop: 302#L517-4 call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 293#L517-1 assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 295#L517-3 cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset; 302#L517-4 [2021-12-16 10:17:07,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1713495071, now seen corresponding path program 1 times [2021-12-16 10:17:07,367 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780889200] [2021-12-16 10:17:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,399 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:07,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 1 times [2021-12-16 10:17:07,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574819800] [2021-12-16 10:17:07,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,425 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:07,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1045403964, now seen corresponding path program 1 times [2021-12-16 10:17:07,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186512937] [2021-12-16 10:17:07,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:07,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:07,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:07,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186512937] [2021-12-16 10:17:07,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186512937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:17:07,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:17:07,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 10:17:07,546 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048306269] [2021-12-16 10:17:07,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:17:07,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:07,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 10:17:07,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-16 10:17:07,573 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 8 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) [2021-12-16 10:17:07,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:07,638 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2021-12-16 10:17:07,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-16 10:17:07,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 34 transitions. [2021-12-16 10:17:07,643 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-16 10:17:07,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 34 transitions. [2021-12-16 10:17:07,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-16 10:17:07,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-12-16 10:17:07,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-12-16 10:17:07,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:07,645 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-12-16 10:17:07,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-12-16 10:17:07,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2021-12-16 10:17:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 21 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) [2021-12-16 10:17:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2021-12-16 10:17:07,650 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-12-16 10:17:07,650 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 30 transitions. [2021-12-16 10:17:07,650 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-16 10:17:07,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 30 transitions. [2021-12-16 10:17:07,651 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-16 10:17:07,651 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:07,651 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:07,652 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:07,652 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-16 10:17:07,652 INFO L791 eck$LassoCheckResult]: Stem: 354#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 355#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 352#L525 assume !(main_~length1~0#1 < 1); 353#L525-2 assume !(main_~length2~0#1 < 2); 362#L528-1 assume !(main_~length3~0#1 < 1); 363#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 348#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 350#L538-4 main_~i~1#1 := 0; 356#L542-3 assume !(main_~i~1#1 < main_~length3~0#1 - 1); 364#L542-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 366#L517-4 call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 357#L517-1 assume !(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 358#L518-2 [2021-12-16 10:17:07,652 INFO L793 eck$LassoCheckResult]: Loop: 358#L518-2 cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#t~post4#1.base, 1 + cstrcat_#t~post4#1.offset;cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset := cstrcat_~append#1.base, cstrcat_~append#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#t~post5#1.base, 1 + cstrcat_#t~post5#1.offset;call cstrcat_#t~mem6#1 := read~int(cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, 1);call write~int(cstrcat_#t~mem6#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, 1); 359#L518 assume !!(0 != cstrcat_#t~mem6#1);havoc cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset;havoc cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset;havoc cstrcat_#t~mem6#1; 358#L518-2 [2021-12-16 10:17:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1696290690, now seen corresponding path program 1 times [2021-12-16 10:17:07,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016596758] [2021-12-16 10:17:07,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,676 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,698 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:07,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,699 INFO L85 PathProgramCache]: Analyzing trace with hash 3238, now seen corresponding path program 1 times [2021-12-16 10:17:07,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802022333] [2021-12-16 10:17:07,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,710 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:07,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1952217113, now seen corresponding path program 1 times [2021-12-16 10:17:07,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790756816] [2021-12-16 10:17:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:07,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 10:17:07,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790756816] [2021-12-16 10:17:07,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790756816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 10:17:07,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 10:17:07,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 10:17:07,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332670314] [2021-12-16 10:17:07,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 10:17:07,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 10:17:07,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-16 10:17:07,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-16 10:17:07,914 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. cyclomatic complexity: 12 Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:07,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 10:17:07,955 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2021-12-16 10:17:07,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 10:17:07,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 46 transitions. [2021-12-16 10:17:07,956 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-12-16 10:17:07,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 31 states and 40 transitions. [2021-12-16 10:17:07,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-16 10:17:07,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-16 10:17:07,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-12-16 10:17:07,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:07,957 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-16 10:17:07,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-12-16 10:17:07,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-12-16 10:17:07,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:07,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2021-12-16 10:17:07,958 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-12-16 10:17:07,959 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-12-16 10:17:07,959 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-16 10:17:07,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2021-12-16 10:17:07,959 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2021-12-16 10:17:07,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-16 10:17:07,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-16 10:17:07,959 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 10:17:07,959 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-16 10:17:07,959 INFO L791 eck$LassoCheckResult]: Stem: 429#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 430#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet15#1, main_#t~post14#1, main_~i~1#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~length1~0#1, main_~length2~0#1, main_~length3~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~length2~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~length3~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 422#L525 assume !(main_~length1~0#1 < 1); 423#L525-2 assume !(main_~length2~0#1 < 2); 436#L528-1 assume !(main_~length3~0#1 < 1); 439#L531-1 assume !(main_~length2~0#1 - main_~length3~0#1 < main_~length1~0#1 || main_~length3~0#1 > main_~length2~0#1);call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 424#L538-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 426#L538-4 main_~i~1#1 := 0; 451#L542-3 assume !!(main_~i~1#1 < main_~length3~0#1 - 1);call write~int(main_#t~nondet15#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet15#1; 449#L542-2 main_#t~post14#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 448#L542-3 assume !(main_~i~1#1 < main_~length3~0#1 - 1); 447#L542-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length3~0#1 - 1), 1);assume { :begin_inline_cstrcat } true;cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset, cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset := main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrcat_#res#1.base, cstrcat_#res#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset, cstrcat_#t~mem3#1, cstrcat_#t~post4#1.base, cstrcat_#t~post4#1.offset, cstrcat_#t~post5#1.base, cstrcat_#t~post5#1.offset, cstrcat_#t~mem6#1, cstrcat_~s#1.base, cstrcat_~s#1.offset, cstrcat_~append#1.base, cstrcat_~append#1.offset, cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_#in~s#1.base, cstrcat_#in~s#1.offset;cstrcat_~append#1.base, cstrcat_~append#1.offset := cstrcat_#in~append#1.base, cstrcat_#in~append#1.offset;cstrcat_~save~0#1.base, cstrcat_~save~0#1.offset := cstrcat_~s#1.base, cstrcat_~s#1.offset; 446#L517-4 [2021-12-16 10:17:07,959 INFO L793 eck$LassoCheckResult]: Loop: 446#L517-4 call cstrcat_#t~mem3#1 := read~int(cstrcat_~s#1.base, cstrcat_~s#1.offset, 1); 432#L517-1 assume !!(0 != cstrcat_#t~mem3#1);havoc cstrcat_#t~mem3#1; 433#L517-3 cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;cstrcat_~s#1.base, cstrcat_~s#1.offset := cstrcat_~s#1.base, 1 + cstrcat_~s#1.offset;havoc cstrcat_#t~pre2#1.base, cstrcat_#t~pre2#1.offset; 446#L517-4 [2021-12-16 10:17:07,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1696346049, now seen corresponding path program 1 times [2021-12-16 10:17:07,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145785442] [2021-12-16 10:17:07,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,979 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:07,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,979 INFO L85 PathProgramCache]: Analyzing trace with hash 86554, now seen corresponding path program 2 times [2021-12-16 10:17:07,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719655146] [2021-12-16 10:17:07,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,984 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:07,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:07,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1259997786, now seen corresponding path program 1 times [2021-12-16 10:17:07,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 10:17:07,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434755376] [2021-12-16 10:17:07,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 10:17:07,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 10:17:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,992 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-16 10:17:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-16 10:17:07,999 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-16 10:17:08,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:08,643 INFO L210 LassoAnalysis]: Preferences: [2021-12-16 10:17:08,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-16 10:17:08,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-16 10:17:08,644 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-16 10:17:08,644 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-16 10:17:08,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:08,644 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-16 10:17:08,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-16 10:17:08,644 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcat-alloca-2.i_Iteration5_Lasso [2021-12-16 10:17:08,644 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-16 10:17:08,644 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-16 10:17:08,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:08,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-16 10:17:09,297 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-16 10:17:09,297 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-16 10:17:09,298 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,299 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-16 10:17:09,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:09,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,333 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-16 10:17:09,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,372 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 [2021-12-16 10:17:09,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,373 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-16 10:17:09,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,382 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,382 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,406 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-16 10:17:09,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,407 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-16 10:17:09,409 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,431 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 [2021-12-16 10:17:09,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,433 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-16 10:17:09,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:09,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,469 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-16 10:17:09,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-16 10:17:09,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,509 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-16 10:17:09,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,519 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,519 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-16 10:17:09,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,537 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-16 10:17:09,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-16 10:17:09,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,562 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-16 10:17:09,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,570 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-16 10:17:09,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,591 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-16 10:17:09,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:09,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,628 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-16 10:17:09,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,652 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 [2021-12-16 10:17:09,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,653 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-16 10:17:09,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:09,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,684 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-16 10:17:09,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,709 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-16 10:17:09,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,710 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-16 10:17:09,712 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 [2021-12-16 10:17:09,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:09,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,735 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-16 10:17:09,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:09,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,760 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-16 10:17:09,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-16 10:17:09,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,769 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-16 10:17:09,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-16 10:17:09,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,787 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-16 10:17:09,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,789 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-16 10:17:09,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-16 10:17:09,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,816 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-16 10:17:09,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-16 10:17:09,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,845 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-16 10:17:09,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-16 10:17:09,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,872 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-16 10:17:09,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-16 10:17:09,907 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,908 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-16 10:17:09,916 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:09,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-16 10:17:09,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:09,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:09,956 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:09,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-16 10:17:09,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:09,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:09,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:09,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:09,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:09,976 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:09,976 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:09,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-16 10:17:10,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-16 10:17:10,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:10,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:10,011 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:10,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-16 10:17:10,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-16 10:17:10,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-16 10:17:10,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-16 10:17:10,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-16 10:17:10,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-16 10:17:10,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-16 10:17:10,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-16 10:17:10,053 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-16 10:17:10,094 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-16 10:17:10,094 INFO L444 ModelExtractionUtils]: 10 out of 55 variables were initially zero. Simplification set additionally 42 variables to zero. [2021-12-16 10:17:10,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-16 10:17:10,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 10:17:10,096 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-16 10:17:10,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-16 10:17:10,098 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-16 10:17:10,104 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-16 10:17:10,105 INFO L513 LassoAnalysis]: Proved termination. [2021-12-16 10:17:10,105 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3, ULTIMATE.start_cstrcat_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_3 - 1*ULTIMATE.start_cstrcat_~s#1.offset Supporting invariants [] [2021-12-16 10:17:10,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:10,154 INFO L297 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2021-12-16 10:17:10,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 10:17:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:10,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 10:17:10,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:10,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 10:17:10,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-16 10:17:10,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-16 10:17:10,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 10:17:10,266 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-16 10:17:10,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:10,290 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 39 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 52 transitions. Complement of second has 7 states. [2021-12-16 10:17:10,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-16 10:17:10,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-16 10:17:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-12-16 10:17:10,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 3 letters. [2021-12-16 10:17:10,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:10,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-16 10:17:10,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:10,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 12 letters. Loop has 6 letters. [2021-12-16 10:17:10,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-16 10:17:10,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 52 transitions. [2021-12-16 10:17:10,294 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:17:10,294 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2021-12-16 10:17:10,294 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-16 10:17:10,294 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-16 10:17:10,294 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-16 10:17:10,294 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-16 10:17:10,294 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:10,294 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:10,294 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-16 10:17:10,294 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-16 10:17:10,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-16 10:17:10,295 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-16 10:17:10,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-16 10:17:10,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.12 10:17:10 BoogieIcfgContainer [2021-12-16 10:17:10,300 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-16 10:17:10,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-16 10:17:10,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-16 10:17:10,300 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-16 10:17:10,301 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:17:04" (3/4) ... [2021-12-16 10:17:10,302 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-16 10:17:10,303 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-16 10:17:10,303 INFO L158 Benchmark]: Toolchain (without parser) took 6819.13ms. Allocated memory was 100.7MB in the beginning and 169.9MB in the end (delta: 69.2MB). Free memory was 69.5MB in the beginning and 54.3MB in the end (delta: 15.2MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2021-12-16 10:17:10,303 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:10,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.68ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 68.4MB in the end (delta: 832.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-16 10:17:10,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.99ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 66.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:10,304 INFO L158 Benchmark]: Boogie Preprocessor took 21.48ms. Allocated memory is still 100.7MB. Free memory was 66.4MB in the beginning and 65.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:10,304 INFO L158 Benchmark]: RCFGBuilder took 279.85ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 53.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-16 10:17:10,304 INFO L158 Benchmark]: BuchiAutomizer took 6120.42ms. Allocated memory was 100.7MB in the beginning and 169.9MB in the end (delta: 69.2MB). Free memory was 53.4MB in the beginning and 54.3MB in the end (delta: -870.2kB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2021-12-16 10:17:10,305 INFO L158 Benchmark]: Witness Printer took 2.68ms. Allocated memory is still 169.9MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-16 10:17:10,306 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 100.7MB. Free memory was 57.3MB in the beginning and 57.2MB in the end (delta: 49.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.68ms. Allocated memory is still 100.7MB. Free memory was 69.3MB in the beginning and 68.4MB in the end (delta: 832.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.99ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 66.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.48ms. Allocated memory is still 100.7MB. Free memory was 66.4MB in the beginning and 65.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.85ms. Allocated memory is still 100.7MB. Free memory was 65.0MB in the beginning and 53.8MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6120.42ms. Allocated memory was 100.7MB in the beginning and 169.9MB in the end (delta: 69.2MB). Free memory was 53.4MB in the beginning and 54.3MB in the end (delta: -870.2kB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 2.68ms. Allocated memory is still 169.9MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[nondetString2] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * s and consists of 5 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.0s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 30 states and ocurred in iteration 4. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 155 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 92 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital169 mio100 ax111 hnf99 lsp83 ukn81 mio100 lsp58 div100 bol100 ite100 ukn100 eq167 hnf90 smp97 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-16 10:17:10,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-16 10:17:10,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE