./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/cstrspn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5317dae Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/cstrspn.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ecf20dd2c3ee96f4ce33fb05fe8b8a847f94671834911abc2dee98681c717cc6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-b5317da-m [2023-02-16 04:31:49,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-16 04:31:49,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-16 04:31:49,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-16 04:31:49,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-16 04:31:49,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-16 04:31:49,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-16 04:31:49,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-16 04:31:49,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-16 04:31:49,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-16 04:31:49,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-16 04:31:49,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-16 04:31:49,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-16 04:31:49,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-16 04:31:49,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-16 04:31:49,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-16 04:31:49,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-16 04:31:49,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-16 04:31:49,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-16 04:31:49,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-16 04:31:49,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-16 04:31:49,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-16 04:31:49,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-16 04:31:49,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-16 04:31:49,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-16 04:31:49,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-16 04:31:49,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-16 04:31:49,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-16 04:31:49,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-16 04:31:49,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-16 04:31:49,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-16 04:31:49,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-16 04:31:49,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-16 04:31:49,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-16 04:31:49,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-16 04:31:49,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-16 04:31:49,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-16 04:31:49,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-16 04:31:49,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-16 04:31:49,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-16 04:31:49,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-16 04:31:49,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-16 04:31:49,159 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-16 04:31:49,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-16 04:31:49,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-16 04:31:49,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-16 04:31:49,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-16 04:31:49,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-16 04:31:49,162 INFO L138 SettingsManager]: * Use SBE=true [2023-02-16 04:31:49,162 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-16 04:31:49,162 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-16 04:31:49,162 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-16 04:31:49,163 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-16 04:31:49,163 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-16 04:31:49,163 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-16 04:31:49,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-16 04:31:49,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-16 04:31:49,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-16 04:31:49,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-16 04:31:49,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-16 04:31:49,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-16 04:31:49,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-16 04:31:49,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-16 04:31:49,165 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-16 04:31:49,165 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-16 04:31:49,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-16 04:31:49,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-16 04:31:49,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-16 04:31:49,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-16 04:31:49,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-16 04:31:49,168 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-16 04:31:49,169 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecf20dd2c3ee96f4ce33fb05fe8b8a847f94671834911abc2dee98681c717cc6 [2023-02-16 04:31:49,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-16 04:31:49,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-16 04:31:49,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-16 04:31:49,467 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-16 04:31:49,468 INFO L275 PluginConnector]: CDTParser initialized [2023-02-16 04:31:49,469 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/cstrspn.c [2023-02-16 04:31:50,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-16 04:31:50,820 INFO L351 CDTParser]: Found 1 translation units. [2023-02-16 04:31:50,821 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/cstrspn.c [2023-02-16 04:31:50,827 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b2284b6/cf7730e5e7f94f3d98e1f26635707f03/FLAGc21a5659f [2023-02-16 04:31:50,843 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b2284b6/cf7730e5e7f94f3d98e1f26635707f03 [2023-02-16 04:31:50,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-16 04:31:50,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-16 04:31:50,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-16 04:31:50,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-16 04:31:50,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-16 04:31:50,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:31:50" (1/1) ... [2023-02-16 04:31:50,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c244fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:50, skipping insertion in model container [2023-02-16 04:31:50,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 04:31:50" (1/1) ... [2023-02-16 04:31:50,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-16 04:31:50,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-16 04:31:51,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:31:51,046 INFO L203 MainTranslator]: Completed pre-run [2023-02-16 04:31:51,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-16 04:31:51,078 INFO L208 MainTranslator]: Completed translation [2023-02-16 04:31:51,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51 WrapperNode [2023-02-16 04:31:51,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-16 04:31:51,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-16 04:31:51,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-16 04:31:51,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-16 04:31:51,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,110 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-02-16 04:31:51,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-16 04:31:51,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-16 04:31:51,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-16 04:31:51,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-16 04:31:51,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,136 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-16 04:31:51,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-16 04:31:51,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-16 04:31:51,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-16 04:31:51,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (1/1) ... [2023-02-16 04:31:51,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:51,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:51,177 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) [2023-02-16 04:31:51,186 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 [2023-02-16 04:31:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-16 04:31:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-16 04:31:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-16 04:31:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-16 04:31:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-16 04:31:51,289 INFO L235 CfgBuilder]: Building ICFG [2023-02-16 04:31:51,291 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-16 04:31:51,517 INFO L276 CfgBuilder]: Performing block encoding [2023-02-16 04:31:51,522 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-16 04:31:51,523 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-16 04:31:51,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:31:51 BoogieIcfgContainer [2023-02-16 04:31:51,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-16 04:31:51,526 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-16 04:31:51,526 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-16 04:31:51,529 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-16 04:31:51,530 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:31:51,530 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.02 04:31:50" (1/3) ... [2023-02-16 04:31:51,531 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2547a9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:31:51, skipping insertion in model container [2023-02-16 04:31:51,531 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:31:51,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 04:31:51" (2/3) ... [2023-02-16 04:31:51,532 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2547a9d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.02 04:31:51, skipping insertion in model container [2023-02-16 04:31:51,532 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-16 04:31:51,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:31:51" (3/3) ... [2023-02-16 04:31:51,534 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrspn.c [2023-02-16 04:31:51,579 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-16 04:31:51,579 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-16 04:31:51,579 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-16 04:31:51,579 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-16 04:31:51,579 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-16 04:31:51,579 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-16 04:31:51,580 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-16 04:31:51,580 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-16 04:31:51,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:51,595 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-02-16 04:31:51,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:51,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:51,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:51,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-02-16 04:31:51,600 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-16 04:31:51,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:51,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-02-16 04:31:51,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:51,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:51,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:51,603 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-02-16 04:31:51,609 INFO L748 eck$LassoCheckResult]: Stem: 16#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 7#L14true assume !(build_nondet_String_~length~0#1 < 1); 19#L14-2true call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 2#build_nondet_String_returnLabel#1true main_#t~ret10#1.base, main_#t~ret10#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 8#L14-3true assume build_nondet_String_~length~0#1 < 1;build_nondet_String_~length~0#1 := 1; 15#L14-5true call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 14#build_nondet_String_returnLabel#2true main_#t~ret11#1.base, main_#t~ret11#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 17#L31-4true [2023-02-16 04:31:51,610 INFO L750 eck$LassoCheckResult]: Loop: 17#L31-4true call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 18#L31-1true assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 11#L34-5true assume !true; 4#L34-6true call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 6#L36true assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 10#L31-3true cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 17#L31-4true [2023-02-16 04:31:51,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:51,616 INFO L85 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 1 times [2023-02-16 04:31:51,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:51,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246238474] [2023-02-16 04:31:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:51,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:51,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:51,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:51,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1602834410, now seen corresponding path program 1 times [2023-02-16 04:31:51,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:51,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623300439] [2023-02-16 04:31:51,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:51,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:31:51,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623300439] [2023-02-16 04:31:51,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623300439] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:31:51,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:31:51,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-16 04:31:51,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585611209] [2023-02-16 04:31:51,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:31:51,871 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-02-16 04:31:51,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:31:51,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-16 04:31:51,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-16 04:31:51,906 INFO L87 Difference]: Start difference. First operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:51,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:31:51,912 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2023-02-16 04:31:51,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2023-02-16 04:31:51,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-02-16 04:31:51,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 20 transitions. [2023-02-16 04:31:51,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-02-16 04:31:51,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-02-16 04:31:51,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-02-16 04:31:51,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:31:51,918 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-02-16 04:31:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-02-16 04:31:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-02-16 04:31:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 15 states have internal predecessors, (20), 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) [2023-02-16 04:31:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-02-16 04:31:51,936 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-02-16 04:31:51,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-16 04:31:51,940 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-02-16 04:31:51,941 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-16 04:31:51,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 20 transitions. [2023-02-16 04:31:51,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-02-16 04:31:51,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:51,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:51,943 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:51,943 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:51,943 INFO L748 eck$LassoCheckResult]: Stem: 64#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 55#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 56#L14 assume !(build_nondet_String_~length~0#1 < 1); 57#L14-2 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 50#build_nondet_String_returnLabel#1 main_#t~ret10#1.base, main_#t~ret10#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 51#L14-3 assume build_nondet_String_~length~0#1 < 1;build_nondet_String_~length~0#1 := 1; 58#L14-5 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 63#build_nondet_String_returnLabel#2 main_#t~ret11#1.base, main_#t~ret11#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 59#L31-4 [2023-02-16 04:31:51,943 INFO L750 eck$LassoCheckResult]: Loop: 59#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 65#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 60#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 61#L34-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 62#L34-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 52#L34-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 53#L36 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 54#L31-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 59#L31-4 [2023-02-16 04:31:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 176610378, now seen corresponding path program 2 times [2023-02-16 04:31:51,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:51,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098174614] [2023-02-16 04:31:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:51,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:52,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:52,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1952985167, now seen corresponding path program 1 times [2023-02-16 04:31:52,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:52,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923038488] [2023-02-16 04:31:52,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:52,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:52,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:52,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:52,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:52,064 INFO L85 PathProgramCache]: Analyzing trace with hash -955886854, now seen corresponding path program 1 times [2023-02-16 04:31:52,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:52,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924770138] [2023-02-16 04:31:52,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:52,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:52,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:31:52,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924770138] [2023-02-16 04:31:52,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924770138] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:31:52,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:31:52,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-16 04:31:52,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669790682] [2023-02-16 04:31:52,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:31:53,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:31:53,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-16 04:31:53,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-02-16 04:31:53,023 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. cyclomatic complexity: 5 Second operand has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:53,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:31:53,247 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2023-02-16 04:31:53,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2023-02-16 04:31:53,252 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2023-02-16 04:31:53,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 31 states and 38 transitions. [2023-02-16 04:31:53,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-02-16 04:31:53,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-02-16 04:31:53,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2023-02-16 04:31:53,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:31:53,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2023-02-16 04:31:53,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2023-02-16 04:31:53,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2023-02-16 04:31:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 28 states have internal predecessors, (36), 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) [2023-02-16 04:31:53,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2023-02-16 04:31:53,262 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2023-02-16 04:31:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-16 04:31:53,264 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2023-02-16 04:31:53,264 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-02-16 04:31:53,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 36 transitions. [2023-02-16 04:31:53,267 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 19 [2023-02-16 04:31:53,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:53,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:53,268 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:53,269 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:53,269 INFO L748 eck$LassoCheckResult]: Stem: 142#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 131#L14 assume !(build_nondet_String_~length~0#1 < 1); 133#L14-2 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 126#build_nondet_String_returnLabel#1 main_#t~ret10#1.base, main_#t~ret10#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 127#L14-3 assume !(build_nondet_String_~length~0#1 < 1); 134#L14-5 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 140#build_nondet_String_returnLabel#2 main_#t~ret11#1.base, main_#t~ret11#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 136#L31-4 [2023-02-16 04:31:53,269 INFO L750 eck$LassoCheckResult]: Loop: 136#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 143#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 144#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 147#L34-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 146#L34-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 128#L34-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 129#L36 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 132#L31-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 136#L31-4 [2023-02-16 04:31:53,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:53,270 INFO L85 PathProgramCache]: Analyzing trace with hash 176612300, now seen corresponding path program 1 times [2023-02-16 04:31:53,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:53,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370070201] [2023-02-16 04:31:53,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:53,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:53,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:53,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:53,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:53,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1952985167, now seen corresponding path program 2 times [2023-02-16 04:31:53,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:53,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729088693] [2023-02-16 04:31:53,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:53,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:53,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:53,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:53,352 INFO L85 PathProgramCache]: Analyzing trace with hash -254822276, now seen corresponding path program 1 times [2023-02-16 04:31:53,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:53,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083169895] [2023-02-16 04:31:53,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:53,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:53,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:53,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:54,223 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:54,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:54,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:54,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:54,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:54,224 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:54,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:54,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:54,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn.c_Iteration3_Lasso [2023-02-16 04:31:54,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:54,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:54,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,251 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:54,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:55,636 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:55,640 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:55,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,649 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) [2023-02-16 04:31:55,664 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 [2023-02-16 04:31:55,665 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 [2023-02-16 04:31:55,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:55,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,697 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 [2023-02-16 04:31:55,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,701 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) [2023-02-16 04:31:55,705 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 [2023-02-16 04:31:55,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:55,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:55,719 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 [2023-02-16 04:31:55,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,733 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 [2023-02-16 04:31:55,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,735 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) [2023-02-16 04:31:55,741 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 [2023-02-16 04:31:55,741 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 [2023-02-16 04:31:55,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:55,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:55,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,770 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) [2023-02-16 04:31:55,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:55,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:55,789 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 [2023-02-16 04:31:55,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-02-16 04:31:55,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,799 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) [2023-02-16 04:31:55,812 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 [2023-02-16 04:31:55,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:55,823 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 [2023-02-16 04:31:55,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,851 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 [2023-02-16 04:31:55,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,854 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) [2023-02-16 04:31:55,863 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 [2023-02-16 04:31:55,863 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 [2023-02-16 04:31:55,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:55,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,892 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 [2023-02-16 04:31:55,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,894 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) [2023-02-16 04:31:55,902 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 [2023-02-16 04:31:55,902 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 [2023-02-16 04:31:55,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,914 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:55,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:55,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,939 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 [2023-02-16 04:31:55,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,942 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) [2023-02-16 04:31:55,944 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 [2023-02-16 04:31:55,946 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 [2023-02-16 04:31:55,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,954 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:55,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:55,977 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 [2023-02-16 04:31:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:55,979 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) [2023-02-16 04:31:55,982 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 [2023-02-16 04:31:55,989 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 [2023-02-16 04:31:55,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:55,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:55,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:55,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:55,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:55,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:55,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:56,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:56,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,010 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) [2023-02-16 04:31:56,015 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 [2023-02-16 04:31:56,016 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 [2023-02-16 04:31:56,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:56,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:56,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:56,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,031 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 [2023-02-16 04:31:56,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,033 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) [2023-02-16 04:31:56,035 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 [2023-02-16 04:31:56,036 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 [2023-02-16 04:31:56,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:56,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:56,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:56,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:56,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,054 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) [2023-02-16 04:31:56,056 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 [2023-02-16 04:31:56,057 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 [2023-02-16 04:31:56,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:56,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:56,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:56,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,081 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 [2023-02-16 04:31:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,083 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) [2023-02-16 04:31:56,085 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 [2023-02-16 04:31:56,087 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 [2023-02-16 04:31:56,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:56,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,104 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-02-16 04:31:56,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,115 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-02-16 04:31:56,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:56,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,137 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 [2023-02-16 04:31:56,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,138 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) [2023-02-16 04:31:56,142 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 [2023-02-16 04:31:56,143 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 [2023-02-16 04:31:56,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:56,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:56,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:56,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,155 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 [2023-02-16 04:31:56,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,156 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) [2023-02-16 04:31:56,158 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 [2023-02-16 04:31:56,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:31:56,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:56,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:56,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,174 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) [2023-02-16 04:31:56,176 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 [2023-02-16 04:31:56,177 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 [2023-02-16 04:31:56,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:56,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,191 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 [2023-02-16 04:31:56,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,192 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) [2023-02-16 04:31:56,195 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 [2023-02-16 04:31:56,198 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 [2023-02-16 04:31:56,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,204 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-02-16 04:31:56,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,224 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-02-16 04:31:56,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,253 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 [2023-02-16 04:31:56,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,254 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) [2023-02-16 04:31:56,265 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 [2023-02-16 04:31:56,265 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 [2023-02-16 04:31:56,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,278 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:56,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,301 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 [2023-02-16 04:31:56,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,303 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) [2023-02-16 04:31:56,311 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 [2023-02-16 04:31:56,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,319 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 [2023-02-16 04:31:56,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:56,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,349 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 [2023-02-16 04:31:56,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,350 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) [2023-02-16 04:31:56,360 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 [2023-02-16 04:31:56,361 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 [2023-02-16 04:31:56,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:56,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:56,393 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 [2023-02-16 04:31:56,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,396 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) [2023-02-16 04:31:56,398 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 [2023-02-16 04:31:56,400 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 [2023-02-16 04:31:56,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:56,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:56,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:56,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:56,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:56,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:56,433 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:56,480 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-02-16 04:31:56,480 INFO L444 ModelExtractionUtils]: 10 out of 22 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-02-16 04:31:56,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:56,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:56,485 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) [2023-02-16 04:31:56,486 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 [2023-02-16 04:31:56,487 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:56,508 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-02-16 04:31:56,509 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:56,509 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~sc1~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~ret10#1.base)_1) = -1*ULTIMATE.start_cstrspn_~sc1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~ret10#1.base)_1 Supporting invariants [] [2023-02-16 04:31:56,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:56,535 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-02-16 04:31:56,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:56,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:31:56,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:56,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:31:56,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:56,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-02-16 04:31:56,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:56,747 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 36 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 62 transitions. Complement of second has 4 states. [2023-02-16 04:31:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:56,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 20 transitions. [2023-02-16 04:31:56,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 8 letters. [2023-02-16 04:31:56,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:56,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 16 letters. Loop has 8 letters. [2023-02-16 04:31:56,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:56,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 20 transitions. Stem has 8 letters. Loop has 16 letters. [2023-02-16 04:31:56,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:56,752 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2023-02-16 04:31:56,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-02-16 04:31:56,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 42 states and 56 transitions. [2023-02-16 04:31:56,754 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-02-16 04:31:56,754 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-02-16 04:31:56,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 56 transitions. [2023-02-16 04:31:56,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:56,754 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 56 transitions. [2023-02-16 04:31:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 56 transitions. [2023-02-16 04:31:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 35. [2023-02-16 04:31:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 34 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-16 04:31:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2023-02-16 04:31:56,757 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 47 transitions. [2023-02-16 04:31:56,757 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 47 transitions. [2023-02-16 04:31:56,757 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-02-16 04:31:56,757 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 47 transitions. [2023-02-16 04:31:56,758 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-16 04:31:56,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:56,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:56,759 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:56,759 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:31:56,760 INFO L748 eck$LassoCheckResult]: Stem: 318#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 305#L14 assume !(build_nondet_String_~length~0#1 < 1); 306#L14-2 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 299#build_nondet_String_returnLabel#1 main_#t~ret10#1.base, main_#t~ret10#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 300#L14-3 assume !(build_nondet_String_~length~0#1 < 1); 308#L14-5 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 331#build_nondet_String_returnLabel#2 main_#t~ret11#1.base, main_#t~ret11#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 319#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 321#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 310#L34-5 [2023-02-16 04:31:56,760 INFO L750 eck$LassoCheckResult]: Loop: 310#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 311#L34-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 314#L34-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 310#L34-5 [2023-02-16 04:31:56,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:56,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2074270767, now seen corresponding path program 1 times [2023-02-16 04:31:56,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:56,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346206768] [2023-02-16 04:31:56,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:56,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:56,773 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:56,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:56,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:56,813 INFO L85 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 1 times [2023-02-16 04:31:56,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:56,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443636955] [2023-02-16 04:31:56,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:56,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:56,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:56,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:56,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:56,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1389069017, now seen corresponding path program 1 times [2023-02-16 04:31:56,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:56,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880572637] [2023-02-16 04:31:56,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:56,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:56,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:56,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:56,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:57,695 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:31:57,695 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:31:57,695 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:31:57,695 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:31:57,695 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:31:57,696 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:57,696 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:31:57,696 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:31:57,696 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn.c_Iteration4_Lasso [2023-02-16 04:31:57,696 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:31:57,696 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:31:57,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,704 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:57,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,202 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,214 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:58,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:31:59,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:31:59,161 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:31:59,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,162 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) [2023-02-16 04:31:59,176 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 [2023-02-16 04:31:59,208 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 [2023-02-16 04:31:59,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:59,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:59,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:59,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,220 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 [2023-02-16 04:31:59,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,221 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) [2023-02-16 04:31:59,223 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 [2023-02-16 04:31:59,225 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 [2023-02-16 04:31:59,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:59,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:59,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:59,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,244 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 [2023-02-16 04:31:59,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,246 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) [2023-02-16 04:31:59,247 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 [2023-02-16 04:31:59,249 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 [2023-02-16 04:31:59,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:59,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:59,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,288 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 [2023-02-16 04:31:59,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,290 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) [2023-02-16 04:31:59,290 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 [2023-02-16 04:31:59,294 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 [2023-02-16 04:31:59,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:59,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,301 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:59,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:59,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,305 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 [2023-02-16 04:31:59,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,306 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) [2023-02-16 04:31:59,307 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 [2023-02-16 04:31:59,310 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 [2023-02-16 04:31:59,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:59,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:59,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:59,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,329 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 [2023-02-16 04:31:59,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,330 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) [2023-02-16 04:31:59,332 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 [2023-02-16 04:31:59,333 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 [2023-02-16 04:31:59,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:59,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:59,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:59,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-02-16 04:31:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,346 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) [2023-02-16 04:31:59,347 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 [2023-02-16 04:31:59,349 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 [2023-02-16 04:31:59,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:31:59,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:31:59,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:31:59,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:31:59,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-02-16 04:31:59,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,362 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) [2023-02-16 04:31:59,369 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 [2023-02-16 04:31:59,369 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 [2023-02-16 04:31:59,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:31:59,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:31:59,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:31:59,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:31:59,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:31:59,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:31:59,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:31:59,434 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-02-16 04:31:59,434 INFO L444 ModelExtractionUtils]: 34 out of 46 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-02-16 04:31:59,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:31:59,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:31:59,436 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) [2023-02-16 04:31:59,438 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 [2023-02-16 04:31:59,439 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:31:59,466 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-02-16 04:31:59,466 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:31:59,466 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrspn_~s~0#1.offset, v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0#1.base)_2) = -1*ULTIMATE.start_cstrspn_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0#1.base)_2 Supporting invariants [] [2023-02-16 04:31:59,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-02-16 04:31:59,496 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2023-02-16 04:31:59,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:59,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:31:59,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:59,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-16 04:31:59,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:31:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:59,604 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-02-16 04:31:59,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 47 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2023-02-16 04:31:59,665 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 47 transitions. cyclomatic complexity: 15. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 81 states and 107 transitions. Complement of second has 7 states. [2023-02-16 04:31:59,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:31:59,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2023-02-16 04:31:59,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2023-02-16 04:31:59,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 10 letters. Loop has 3 letters. [2023-02-16 04:31:59,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:59,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 13 letters. Loop has 3 letters. [2023-02-16 04:31:59,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:59,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 10 letters. Loop has 6 letters. [2023-02-16 04:31:59,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:31:59,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 107 transitions. [2023-02-16 04:31:59,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-16 04:31:59,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 61 states and 80 transitions. [2023-02-16 04:31:59,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-16 04:31:59,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-02-16 04:31:59,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2023-02-16 04:31:59,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:59,678 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-02-16 04:31:59,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2023-02-16 04:31:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2023-02-16 04:31:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 47 states have internal predecessors, (64), 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) [2023-02-16 04:31:59,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2023-02-16 04:31:59,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 64 transitions. [2023-02-16 04:31:59,690 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 64 transitions. [2023-02-16 04:31:59,690 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-02-16 04:31:59,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 64 transitions. [2023-02-16 04:31:59,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-16 04:31:59,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:59,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:59,692 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:59,692 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:31:59,693 INFO L748 eck$LassoCheckResult]: Stem: 539#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 524#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 525#L14 assume !(build_nondet_String_~length~0#1 < 1); 526#L14-2 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 518#build_nondet_String_returnLabel#1 main_#t~ret10#1.base, main_#t~ret10#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 519#L14-3 assume !(build_nondet_String_~length~0#1 < 1); 528#L14-5 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 538#build_nondet_String_returnLabel#2 main_#t~ret11#1.base, main_#t~ret11#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 556#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 554#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 550#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 547#L34-1 assume !cstrspn_#t~short7#1; 548#L34-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 563#L34-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 522#L36 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 523#L31-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 527#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 542#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 530#L34-5 [2023-02-16 04:31:59,693 INFO L750 eck$LassoCheckResult]: Loop: 530#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 531#L34-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 534#L34-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 530#L34-5 [2023-02-16 04:31:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:59,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1703936771, now seen corresponding path program 1 times [2023-02-16 04:31:59,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:59,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583747857] [2023-02-16 04:31:59,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:59,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:31:59,769 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 [2023-02-16 04:31:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:31:59,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-16 04:31:59,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583747857] [2023-02-16 04:31:59,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583747857] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-16 04:31:59,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-16 04:31:59,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-02-16 04:31:59,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185784837] [2023-02-16 04:31:59,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-16 04:31:59,803 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-02-16 04:31:59,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:59,803 INFO L85 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 2 times [2023-02-16 04:31:59,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:59,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701962119] [2023-02-16 04:31:59,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:59,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:31:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:59,807 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:31:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:31:59,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:31:59,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-16 04:31:59,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-16 04:31:59,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-16 04:31:59,896 INFO L87 Difference]: Start difference. First operand 48 states and 64 transitions. cyclomatic complexity: 21 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 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) [2023-02-16 04:31:59,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-16 04:31:59,965 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2023-02-16 04:31:59,966 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2023-02-16 04:31:59,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-02-16 04:31:59,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 54 states and 68 transitions. [2023-02-16 04:31:59,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-02-16 04:31:59,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-02-16 04:31:59,968 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 68 transitions. [2023-02-16 04:31:59,968 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-02-16 04:31:59,968 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 68 transitions. [2023-02-16 04:31:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 68 transitions. [2023-02-16 04:31:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 49. [2023-02-16 04:31:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 48 states have internal predecessors, (63), 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) [2023-02-16 04:31:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2023-02-16 04:31:59,972 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 63 transitions. [2023-02-16 04:31:59,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-16 04:31:59,976 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 63 transitions. [2023-02-16 04:31:59,977 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-02-16 04:31:59,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 63 transitions. [2023-02-16 04:31:59,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-02-16 04:31:59,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-16 04:31:59,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-16 04:31:59,979 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-16 04:31:59,979 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-02-16 04:31:59,980 INFO L748 eck$LassoCheckResult]: Stem: 664#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 648#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_#t~ret12#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 649#L14 assume !(build_nondet_String_~length~0#1 < 1); 651#L14-2 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 644#build_nondet_String_returnLabel#1 main_#t~ret10#1.base, main_#t~ret10#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 645#L14-3 assume !(build_nondet_String_~length~0#1 < 1); 652#L14-5 call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 662#build_nondet_String_returnLabel#2 main_#t~ret11#1.base, main_#t~ret11#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrspn } true;cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset, cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset := main_#t~ret10#1.base, main_#t~ret10#1.offset, main_#t~ret11#1.base, main_#t~ret11#1.offset;havoc cstrspn_#res#1;havoc cstrspn_#t~mem4#1, cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset, cstrspn_#t~mem5#1, cstrspn_#t~mem6#1, cstrspn_#t~short7#1, cstrspn_#t~mem9#1, cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset, cstrspn_#t~mem3#1, cstrspn_~s1#1.base, cstrspn_~s1#1.offset, cstrspn_~s2#1.base, cstrspn_~s2#1.offset, cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, cstrspn_~c~0#1;cstrspn_~s1#1.base, cstrspn_~s1#1.offset := cstrspn_#in~s1#1.base, cstrspn_#in~s1#1.offset;cstrspn_~s2#1.base, cstrspn_~s2#1.offset := cstrspn_#in~s2#1.base, cstrspn_#in~s2#1.offset;havoc cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;havoc cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;havoc cstrspn_~c~0#1;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_~s1#1.base, cstrspn_~s1#1.offset; 663#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 680#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 677#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 678#L34-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 673#L34-3 assume !cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1; 646#L34-6 call cstrspn_#t~mem9#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1); 647#L36 assume !(cstrspn_#t~mem9#1 != cstrspn_~c~0#1);havoc cstrspn_#t~mem9#1; 650#L31-3 cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset := cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset;cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset := cstrspn_#t~post2#1.base, 1 + cstrspn_#t~post2#1.offset;havoc cstrspn_#t~post2#1.base, cstrspn_#t~post2#1.offset; 654#L31-4 call cstrspn_#t~mem3#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1); 669#L31-1 assume !!(0 != cstrspn_#t~mem3#1);havoc cstrspn_#t~mem3#1;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_~s2#1.base, cstrspn_~s2#1.offset;call cstrspn_#t~mem4#1 := read~int(cstrspn_~sc1~0#1.base, cstrspn_~sc1~0#1.offset, 1);cstrspn_~c~0#1 := cstrspn_#t~mem4#1;havoc cstrspn_#t~mem4#1; 655#L34-5 [2023-02-16 04:31:59,980 INFO L750 eck$LassoCheckResult]: Loop: 655#L34-5 call cstrspn_#t~mem5#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := 0 != cstrspn_#t~mem5#1; 656#L34-1 assume cstrspn_#t~short7#1;call cstrspn_#t~mem6#1 := read~int(cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset, 1);cstrspn_#t~short7#1 := cstrspn_#t~mem6#1 != (if cstrspn_~c~0#1 % 256 <= 127 then cstrspn_~c~0#1 % 256 else cstrspn_~c~0#1 % 256 - 256); 659#L34-3 assume !!cstrspn_#t~short7#1;havoc cstrspn_#t~mem5#1;havoc cstrspn_#t~mem6#1;havoc cstrspn_#t~short7#1;cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset := cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset;cstrspn_~s~0#1.base, cstrspn_~s~0#1.offset := cstrspn_#t~post8#1.base, 1 + cstrspn_#t~post8#1.offset;havoc cstrspn_#t~post8#1.base, cstrspn_#t~post8#1.offset; 655#L34-5 [2023-02-16 04:31:59,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:31:59,981 INFO L85 PathProgramCache]: Analyzing trace with hash -71070591, now seen corresponding path program 2 times [2023-02-16 04:31:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:31:59,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588141242] [2023-02-16 04:31:59,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:31:59,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:32:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:32:00,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:32:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:32:00,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:32:00,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:32:00,022 INFO L85 PathProgramCache]: Analyzing trace with hash 63657, now seen corresponding path program 3 times [2023-02-16 04:32:00,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:32:00,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787985584] [2023-02-16 04:32:00,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:32:00,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:32:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:32:00,026 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:32:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:32:00,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:32:00,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:32:00,029 INFO L85 PathProgramCache]: Analyzing trace with hash 154934313, now seen corresponding path program 1 times [2023-02-16 04:32:00,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-16 04:32:00,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017068701] [2023-02-16 04:32:00,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-16 04:32:00,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-16 04:32:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:32:00,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-16 04:32:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-16 04:32:00,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-16 04:32:01,204 INFO L210 LassoAnalysis]: Preferences: [2023-02-16 04:32:01,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-16 04:32:01,204 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-16 04:32:01,204 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-16 04:32:01,204 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-16 04:32:01,204 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:01,204 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-16 04:32:01,205 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-16 04:32:01,205 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrspn.c_Iteration6_Lasso [2023-02-16 04:32:01,205 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-16 04:32:01,205 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-16 04:32:01,208 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,211 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,217 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,219 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,226 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,228 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,234 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,235 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:01,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-16 04:32:02,950 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-16 04:32:02,951 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-16 04:32:02,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:02,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:02,952 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) [2023-02-16 04:32:02,954 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 [2023-02-16 04:32:02,956 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 [2023-02-16 04:32:02,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:02,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:02,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:02,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:02,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:02,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:02,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:02,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:02,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:02,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:02,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:02,968 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) [2023-02-16 04:32:02,970 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 [2023-02-16 04:32:02,972 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 [2023-02-16 04:32:02,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:02,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:02,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:02,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:02,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:32:02,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:32:02,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:02,984 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 [2023-02-16 04:32:02,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:02,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:02,985 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) [2023-02-16 04:32:02,987 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 [2023-02-16 04:32:02,988 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 [2023-02-16 04:32:02,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:02,994 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:02,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:02,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:02,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:02,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:02,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:02,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:02,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:02,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,000 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) [2023-02-16 04:32:03,002 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 [2023-02-16 04:32:03,004 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 [2023-02-16 04:32:03,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,031 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 [2023-02-16 04:32:03,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,032 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) [2023-02-16 04:32:03,034 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 [2023-02-16 04:32:03,035 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 [2023-02-16 04:32:03,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,053 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) [2023-02-16 04:32:03,054 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 [2023-02-16 04:32:03,056 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 [2023-02-16 04:32:03,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,070 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) [2023-02-16 04:32:03,071 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 [2023-02-16 04:32:03,072 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 [2023-02-16 04:32:03,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,093 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 [2023-02-16 04:32:03,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,094 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) [2023-02-16 04:32:03,097 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 [2023-02-16 04:32:03,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:32:03,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:32:03,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:32:03,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,115 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) [2023-02-16 04:32:03,116 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 [2023-02-16 04:32:03,118 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 [2023-02-16 04:32:03,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-02-16 04:32:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,129 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) [2023-02-16 04:32:03,131 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 [2023-02-16 04:32:03,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:32:03,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,143 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) [2023-02-16 04:32:03,144 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 [2023-02-16 04:32:03,145 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 [2023-02-16 04:32:03,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,151 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,189 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 [2023-02-16 04:32:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,190 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) [2023-02-16 04:32:03,192 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 [2023-02-16 04:32:03,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:32:03,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,204 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 [2023-02-16 04:32:03,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,206 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) [2023-02-16 04:32:03,207 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 [2023-02-16 04:32:03,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:32:03,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-16 04:32:03,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-16 04:32:03,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-16 04:32:03,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,219 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) [2023-02-16 04:32:03,220 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 [2023-02-16 04:32:03,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-02-16 04:32:03,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,230 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-02-16 04:32:03,230 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2023-02-16 04:32:03,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,302 INFO L401 nArgumentSynthesizer]: We have 132 Motzkin's Theorem applications. [2023-02-16 04:32:03,303 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2023-02-16 04:32:03,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,436 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 [2023-02-16 04:32:03,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,437 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) [2023-02-16 04:32:03,438 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 [2023-02-16 04:32:03,440 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 [2023-02-16 04:32:03,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:32:03,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:32:03,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-16 04:32:03,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,456 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) [2023-02-16 04:32:03,458 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 [2023-02-16 04:32:03,459 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 [2023-02-16 04:32:03,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-16 04:32:03,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-16 04:32:03,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-16 04:32:03,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-16 04:32:03,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-16 04:32:03,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-16 04:32:03,497 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-16 04:32:03,539 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-02-16 04:32:03,539 INFO L444 ModelExtractionUtils]: 8 out of 40 variables were initially zero. Simplification set additionally 29 variables to zero. [2023-02-16 04:32:03,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-16 04:32:03,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-16 04:32:03,541 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) [2023-02-16 04:32:03,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-16 04:32:03,565 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 [2023-02-16 04:32:03,577 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-02-16 04:32:03,578 INFO L513 LassoAnalysis]: Proved termination. [2023-02-16 04:32:03,578 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0#1.base)_3, ULTIMATE.start_cstrspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_build_nondet_String_~nondetString~0#1.base)_3 - 1*ULTIMATE.start_cstrspn_~s~0#1.offset Supporting invariants [] [2023-02-16 04:32:03,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:03,639 INFO L156 tatePredicateManager]: 18 out of 20 supporting invariants were superfluous and have been removed [2023-02-16 04:32:03,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:32:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:32:03,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:32:03,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:32:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:32:03,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:32:03,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:32:03,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:32:03,770 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-02-16 04:32:03,770 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-02-16 04:32:03,822 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 79 states and 99 transitions. Complement of second has 7 states. [2023-02-16 04:32:03,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:32:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-02-16 04:32:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2023-02-16 04:32:03,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2023-02-16 04:32:03,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:32:03,824 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:32:03,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:32:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:32:03,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:32:03,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:32:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:32:03,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:32:03,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:32:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:32:03,954 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2023-02-16 04:32:03,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-02-16 04:32:04,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 79 states and 99 transitions. Complement of second has 7 states. [2023-02-16 04:32:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:32:04,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-02-16 04:32:04,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2023-02-16 04:32:04,004 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2023-02-16 04:32:04,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:32:04,004 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-02-16 04:32:04,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-16 04:32:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:32:04,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjunts are in the unsatisfiable core [2023-02-16 04:32:04,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:32:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-16 04:32:04,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-16 04:32:04,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-16 04:32:04,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-02-16 04:32:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-16 04:32:04,156 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-02-16 04:32:04,156 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-02-16 04:32:04,208 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 63 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 78 states and 102 transitions. Complement of second has 6 states. [2023-02-16 04:32:04,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-16 04:32:04,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2023-02-16 04:32:04,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2023-02-16 04:32:04,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 18 letters. Loop has 3 letters. [2023-02-16 04:32:04,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:32:04,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 21 letters. Loop has 3 letters. [2023-02-16 04:32:04,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:32:04,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 18 letters. Loop has 6 letters. [2023-02-16 04:32:04,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-16 04:32:04,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 102 transitions. [2023-02-16 04:32:04,217 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:32:04,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 0 states and 0 transitions. [2023-02-16 04:32:04,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-16 04:32:04,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-16 04:32:04,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-16 04:32:04,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-16 04:32:04,218 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:32:04,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:32:04,218 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-16 04:32:04,218 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-02-16 04:32:04,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-16 04:32:04,218 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-16 04:32:04,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-16 04:32:04,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.02 04:32:04 BoogieIcfgContainer [2023-02-16 04:32:04,225 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-16 04:32:04,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-16 04:32:04,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-16 04:32:04,225 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-16 04:32:04,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 04:31:51" (3/4) ... [2023-02-16 04:32:04,228 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-16 04:32:04,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-16 04:32:04,228 INFO L158 Benchmark]: Toolchain (without parser) took 13381.00ms. Allocated memory was 104.9MB in the beginning and 161.5MB in the end (delta: 56.6MB). Free memory was 61.5MB in the beginning and 119.1MB in the end (delta: -57.6MB). Peak memory consumption was 825.6kB. Max. memory is 16.1GB. [2023-02-16 04:32:04,228 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:32:04,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.17ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 51.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-16 04:32:04,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.12ms. Allocated memory is still 104.9MB. Free memory was 51.5MB in the beginning and 49.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:32:04,229 INFO L158 Benchmark]: Boogie Preprocessor took 30.10ms. Allocated memory is still 104.9MB. Free memory was 49.8MB in the beginning and 48.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-16 04:32:04,229 INFO L158 Benchmark]: RCFGBuilder took 383.53ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 48.2MB in the beginning and 104.5MB in the end (delta: -56.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-02-16 04:32:04,230 INFO L158 Benchmark]: BuchiAutomizer took 12698.66ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 104.5MB in the beginning and 119.1MB in the end (delta: -14.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-02-16 04:32:04,230 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 161.5MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-16 04:32:04,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.17ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 51.5MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.12ms. Allocated memory is still 104.9MB. Free memory was 51.5MB in the beginning and 49.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.10ms. Allocated memory is still 104.9MB. Free memory was 49.8MB in the beginning and 48.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.53ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 48.2MB in the beginning and 104.5MB in the end (delta: -56.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 12698.66ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 104.5MB in the beginning and 119.1MB in the end (delta: -14.5MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 161.5MB. Free memory is still 119.1MB. 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * sc1 + unknown-#length-unknown[build_nondet_String()] and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[nondetString] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[nondetString] + -1 * s and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.6s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 11.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 27 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213 mSDsluCounter, 313 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 225 IncrementalHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 140 mSDtfsCounter, 225 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital298 mio100 ax100 hnf100 lsp103 ukn72 mio100 lsp34 div174 bol100 ite100 ukn100 eq157 hnf93 smp66 dnf536 smp50 tf100 neg95 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 212ms VariablesStem: 7 VariablesLoop: 4 DisjunctsStem: 4 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 132 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-02-16 04:32:04,248 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