./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/array-memsafety/substring-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/array-memsafety/substring-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 17:26:29,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 17:26:29,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 17:26:29,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 17:26:29,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 17:26:29,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 17:26:29,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 17:26:29,106 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 17:26:29,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 17:26:29,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 17:26:29,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 17:26:29,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 17:26:29,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 17:26:29,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 17:26:29,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 17:26:29,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 17:26:29,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 17:26:29,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 17:26:29,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 17:26:29,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 17:26:29,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 17:26:29,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 17:26:29,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 17:26:29,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 17:26:29,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 17:26:29,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 17:26:29,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 17:26:29,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 17:26:29,123 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 17:26:29,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 17:26:29,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 17:26:29,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 17:26:29,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 17:26:29,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 17:26:29,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 17:26:29,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 17:26:29,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 17:26:29,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 17:26:29,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 17:26:29,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 17:26:29,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 17:26:29,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-15 17:26:29,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 17:26:29,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 17:26:29,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 17:26:29,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 17:26:29,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 17:26:29,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 17:26:29,149 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 17:26:29,149 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-15 17:26:29,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-15 17:26:29,150 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-15 17:26:29,150 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-15 17:26:29,151 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-15 17:26:29,151 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-15 17:26:29,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 17:26:29,151 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 17:26:29,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-15 17:26:29,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 17:26:29,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 17:26:29,153 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-15 17:26:29,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 17:26:29,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-15 17:26:29,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 17:26:29,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 17:26:29,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 17:26:29,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 17:26:29,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 17:26:29,156 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-15 17:26:29,156 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4cb6276eff0c60579b1d5f7034948eb4f53891709ff48cdd11b3329ec3c4cc2e [2021-12-15 17:26:29,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 17:26:29,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 17:26:29,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 17:26:29,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 17:26:29,348 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 17:26:29,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2021-12-15 17:26:29,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ee7f7f4/03bc2bfa188e4754bcc3c18f5cb273a7/FLAG659ec5663 [2021-12-15 17:26:29,783 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 17:26:29,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/substring-alloca-2.i [2021-12-15 17:26:29,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ee7f7f4/03bc2bfa188e4754bcc3c18f5cb273a7/FLAG659ec5663 [2021-12-15 17:26:30,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44ee7f7f4/03bc2bfa188e4754bcc3c18f5cb273a7 [2021-12-15 17:26:30,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 17:26:30,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 17:26:30,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:30,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 17:26:30,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 17:26:30,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2c7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30, skipping insertion in model container [2021-12-15 17:26:30,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 17:26:30,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 17:26:30,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:30,502 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 17:26:30,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 17:26:30,557 INFO L208 MainTranslator]: Completed translation [2021-12-15 17:26:30,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30 WrapperNode [2021-12-15 17:26:30,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 17:26:30,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:30,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 17:26:30,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 17:26:30,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,604 INFO L137 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2021-12-15 17:26:30,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 17:26:30,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 17:26:30,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 17:26:30,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 17:26:30,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 17:26:30,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 17:26:30,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 17:26:30,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 17:26:30,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (1/1) ... [2021-12-15 17:26:30,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:30,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:30,682 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:30,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-15 17:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 17:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 17:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 17:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 17:26:30,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 17:26:30,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 17:26:30,767 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 17:26:30,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 17:26:30,914 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 17:26:30,918 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 17:26:30,919 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 17:26:30,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:30 BoogieIcfgContainer [2021-12-15 17:26:30,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 17:26:30,921 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-15 17:26:30,921 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-15 17:26:30,923 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-15 17:26:30,924 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:30,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.12 05:26:30" (1/3) ... [2021-12-15 17:26:30,925 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c2a17a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:30, skipping insertion in model container [2021-12-15 17:26:30,925 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:30,925 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 05:26:30" (2/3) ... [2021-12-15 17:26:30,925 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c2a17a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.12 05:26:30, skipping insertion in model container [2021-12-15 17:26:30,926 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-15 17:26:30,926 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:30" (3/3) ... [2021-12-15 17:26:30,927 INFO L388 chiAutomizerObserver]: Analyzing ICFG substring-alloca-2.i [2021-12-15 17:26:30,955 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-15 17:26:30,956 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-15 17:26:30,956 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-15 17:26:30,956 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-15 17:26:30,956 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-15 17:26:30,956 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-15 17:26:30,956 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-15 17:26:30,956 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-15 17:26:30,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:30,989 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-15 17:26:30,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:30,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:30,993 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:30,993 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:30,993 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-15 17:26:30,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:30,995 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-12-15 17:26:31,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:31,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:31,012 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-15 17:26:31,012 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:31,016 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 11#L532true assume !(main_~length1~0#1 < 1); 8#L532-2true assume !(main_~length2~0#1 < 1); 3#L535-1true call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 18#L541-3true [2021-12-15 17:26:31,017 INFO L793 eck$LassoCheckResult]: Loop: 18#L541-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 23#L541-2true main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 18#L541-3true [2021-12-15 17:26:31,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-15 17:26:31,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:31,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147552892] [2021-12-15 17:26:31,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:31,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:31,126 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:31,146 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:31,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:31,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2021-12-15 17:26:31,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:31,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789508597] [2021-12-15 17:26:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:31,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:31,167 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:31,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:31,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:31,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2021-12-15 17:26:31,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:31,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536562829] [2021-12-15 17:26:31,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:31,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:31,197 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:31,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:31,530 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:31,531 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:31,531 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:31,531 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:31,531 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:31,531 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:31,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:31,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:31,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration1_Lasso [2021-12-15 17:26:31,532 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:31,532 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:31,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:31,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:31,897 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:31,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:31,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:31,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:31,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-15 17:26:31,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:31,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:31,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:31,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:31,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:31,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:31,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:31,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:31,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:31,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:31,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:31,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:31,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:31,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-15 17:26:31,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:31,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:31,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:31,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:31,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:31,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:31,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:31,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:31,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:31,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:31,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:31,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:31,994 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:31,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-15 17:26:31,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:32,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,004 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:32,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:32,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,036 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-15 17:26:32,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-15 17:26:32,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:32,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:32,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:32,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,076 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-15 17:26:32,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:32,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:32,102 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,119 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-15 17:26:32,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:32,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:32,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,161 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-15 17:26:32,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:32,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:32,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-15 17:26:32,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-15 17:26:32,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:32,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:32,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,249 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-15 17:26:32,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:32,261 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:32,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,317 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:32,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:32,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:32,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-15 17:26:32,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:32,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,374 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-15 17:26:32,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:32,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:32,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:32,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:32,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:32,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:32,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:32,407 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:32,444 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-12-15 17:26:32,444 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-15 17:26:32,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:32,468 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:32,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-15 17:26:32,469 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:32,491 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:26:32,492 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:32,492 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-12-15 17:26:32,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:32,533 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-15 17:26:32,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:32,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:26:32,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:32,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:26:32,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:32,611 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:26:32,612 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:32,653 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 23 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 22 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 84 transitions. Complement of second has 7 states. [2021-12-15 17:26:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2021-12-15 17:26:32,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-15 17:26:32,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:32,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:26:32,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:32,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-15 17:26:32,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:32,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 84 transitions. [2021-12-15 17:26:32,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:26:32,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 19 states and 26 transitions. [2021-12-15 17:26:32,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-15 17:26:32,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-12-15 17:26:32,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2021-12-15 17:26:32,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:32,674 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-15 17:26:32,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2021-12-15 17:26:32,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-15 17:26:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2021-12-15 17:26:32,690 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-15 17:26:32,690 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2021-12-15 17:26:32,690 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-15 17:26:32,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2021-12-15 17:26:32,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-12-15 17:26:32,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:32,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:32,691 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:32,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-15 17:26:32,691 INFO L791 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 162#L532 assume !(main_~length1~0#1 < 1); 161#L532-2 assume !(main_~length2~0#1 < 1); 152#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 153#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 164#L541-4 main_~i~1#1 := 0; 155#L547-3 [2021-12-15 17:26:32,691 INFO L793 eck$LassoCheckResult]: Loop: 155#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 154#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 155#L547-3 [2021-12-15 17:26:32,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:32,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2021-12-15 17:26:32,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:32,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506523514] [2021-12-15 17:26:32,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:32,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:32,709 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:32,715 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:32,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:32,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2147, now seen corresponding path program 1 times [2021-12-15 17:26:32,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:32,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123355939] [2021-12-15 17:26:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:32,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:32,720 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:32,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:32,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:32,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384784, now seen corresponding path program 1 times [2021-12-15 17:26:32,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:32,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162108171] [2021-12-15 17:26:32,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:32,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:32,733 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:32,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:32,947 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:32,947 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:32,947 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:32,947 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:32,947 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:32,947 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:32,947 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:32,947 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:32,947 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration2_Lasso [2021-12-15 17:26:32,947 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:32,947 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:32,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:32,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:33,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:33,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:33,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:33,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:33,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:33,257 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:33,257 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:33,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,272 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-15 17:26:33,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:33,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:33,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:33,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,348 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-15 17:26:33,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:33,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:33,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:33,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,394 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-15 17:26:33,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:33,404 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:33,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,436 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-15 17:26:33,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:33,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:33,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:33,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,464 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-15 17:26:33,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:33,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:33,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:33,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,513 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-15 17:26:33,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:33,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:33,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,557 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,559 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:33,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:33,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-15 17:26:33,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,604 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-15 17:26:33,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:33,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,621 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:33,621 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:33,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,641 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-15 17:26:33,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:33,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:33,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:33,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,686 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-15 17:26:33,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:33,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:33,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:33,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:33,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:33,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:33,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:33,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:33,763 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-15 17:26:33,763 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-15 17:26:33,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:33,764 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:33,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-15 17:26:33,780 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:33,801 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:26:33,801 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:33,802 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nondetString2~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = -1*ULTIMATE.start_main_~nondetString2~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2021-12-15 17:26:33,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:33,828 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2021-12-15 17:26:33,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:33,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 17:26:33,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:33,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 17:26:33,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:33,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:33,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:26:33,869 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:33,899 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 26 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 42 transitions. Complement of second has 6 states. [2021-12-15 17:26:33,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2021-12-15 17:26:33,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-15 17:26:33,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:33,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-15 17:26:33,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:33,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-15 17:26:33,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:33,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 42 transitions. [2021-12-15 17:26:33,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:26:33,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 20 states and 28 transitions. [2021-12-15 17:26:33,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-15 17:26:33,902 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-15 17:26:33,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2021-12-15 17:26:33,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:33,902 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-12-15 17:26:33,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2021-12-15 17:26:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-12-15 17:26:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 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) [2021-12-15 17:26:33,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 28 transitions. [2021-12-15 17:26:33,903 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-12-15 17:26:33,903 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-12-15 17:26:33,903 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-15 17:26:33,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 28 transitions. [2021-12-15 17:26:33,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:26:33,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:33,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:33,904 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:33,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:33,904 INFO L791 eck$LassoCheckResult]: Stem: 278#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 285#L532 assume !(main_~length1~0#1 < 1); 283#L532-2 assume !(main_~length2~0#1 < 1); 274#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 275#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 286#L541-4 main_~i~1#1 := 0; 287#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 290#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 289#L517-3 [2021-12-15 17:26:33,904 INFO L793 eck$LassoCheckResult]: Loop: 289#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 284#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 282#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 291#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 280#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 281#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 288#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 289#L517-3 [2021-12-15 17:26:33,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1298384726, now seen corresponding path program 1 times [2021-12-15 17:26:33,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:33,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771323619] [2021-12-15 17:26:33,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:33,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:33,936 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:33,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:33,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1328860033, now seen corresponding path program 1 times [2021-12-15 17:26:33,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:33,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85602088] [2021-12-15 17:26:33,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:33,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:33,951 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:33,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:33,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:33,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1515359350, now seen corresponding path program 1 times [2021-12-15 17:26:33,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:33,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132793030] [2021-12-15 17:26:33,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:33,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:34,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:34,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132793030] [2021-12-15 17:26:34,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132793030] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:34,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:34,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-15 17:26:34,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279147941] [2021-12-15 17:26:34,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:34,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:34,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:34,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 17:26:34,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-15 17:26:34,243 INFO L87 Difference]: Start difference. First operand 20 states and 28 transitions. cyclomatic complexity: 11 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:34,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:34,308 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2021-12-15 17:26:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 17:26:34,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 37 transitions. [2021-12-15 17:26:34,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:26:34,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 28 transitions. [2021-12-15 17:26:34,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-15 17:26:34,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-15 17:26:34,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2021-12-15 17:26:34,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:34,310 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-12-15 17:26:34,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2021-12-15 17:26:34,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-12-15 17:26:34,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2021-12-15 17:26:34,311 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-15 17:26:34,311 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2021-12-15 17:26:34,311 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-15 17:26:34,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2021-12-15 17:26:34,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:26:34,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:34,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:34,312 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:34,312 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:34,312 INFO L791 eck$LassoCheckResult]: Stem: 342#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 343#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 349#L532 assume !(main_~length1~0#1 < 1); 347#L532-2 assume !(main_~length2~0#1 < 1); 338#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 339#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 356#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 357#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 350#L541-4 main_~i~1#1 := 0; 351#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 354#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 353#L517-3 [2021-12-15 17:26:34,312 INFO L793 eck$LassoCheckResult]: Loop: 353#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 348#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 346#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 355#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 344#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 345#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 352#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 353#L517-3 [2021-12-15 17:26:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:34,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 1 times [2021-12-15 17:26:34,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:34,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733245832] [2021-12-15 17:26:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,352 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,363 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:34,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1328860033, now seen corresponding path program 2 times [2021-12-15 17:26:34,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:34,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823021984] [2021-12-15 17:26:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,390 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:34,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:34,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2020169960, now seen corresponding path program 1 times [2021-12-15 17:26:34,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:34,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845227872] [2021-12-15 17:26:34,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:34,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:26:34,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:34,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845227872] [2021-12-15 17:26:34,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845227872] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:34,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:34,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-15 17:26:34,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465670622] [2021-12-15 17:26:34,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:34,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:34,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-15 17:26:34,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-15 17:26:34,653 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 9 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) [2021-12-15 17:26:34,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:34,719 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2021-12-15 17:26:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-15 17:26:34,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2021-12-15 17:26:34,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-15 17:26:34,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 32 states and 42 transitions. [2021-12-15 17:26:34,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-15 17:26:34,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-12-15 17:26:34,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 42 transitions. [2021-12-15 17:26:34,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:34,721 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 42 transitions. [2021-12-15 17:26:34,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 42 transitions. [2021-12-15 17:26:34,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-12-15 17:26:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 30 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2021-12-15 17:26:34,723 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2021-12-15 17:26:34,723 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 41 transitions. [2021-12-15 17:26:34,723 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-15 17:26:34,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 41 transitions. [2021-12-15 17:26:34,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-15 17:26:34,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:34,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:34,724 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:34,724 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:34,724 INFO L791 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 425#L532 assume !(main_~length1~0#1 < 1); 422#L532-2 assume !(main_~length2~0#1 < 1); 414#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 415#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 435#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 436#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 426#L541-4 main_~i~1#1 := 0; 427#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 437#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 438#L517-3 [2021-12-15 17:26:34,724 INFO L793 eck$LassoCheckResult]: Loop: 438#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 439#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 441#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 440#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 420#L520-3 assume !!substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1;substring_#t~post7#1.base, substring_#t~post7#1.offset := substring_~pt~0#1.base, substring_~pt~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_#t~post7#1.base, 1 + substring_#t~post7#1.offset;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset;substring_#t~post8#1.base, substring_#t~post8#1.offset := substring_~ps2~0#1.base, substring_~ps2~0#1.offset;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_#t~post8#1.base, 1 + substring_#t~post8#1.offset;havoc substring_#t~post8#1.base, substring_#t~post8#1.offset; 421#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 433#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 434#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 430#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 431#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 438#L517-3 [2021-12-15 17:26:34,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:34,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2034626632, now seen corresponding path program 2 times [2021-12-15 17:26:34,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:34,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16536681] [2021-12-15 17:26:34,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,746 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,752 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:34,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:34,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1312710103, now seen corresponding path program 1 times [2021-12-15 17:26:34,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:34,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325335959] [2021-12-15 17:26:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,771 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:34,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1844492576, now seen corresponding path program 1 times [2021-12-15 17:26:34,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:34,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571516994] [2021-12-15 17:26:34,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:34,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:26:34,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:34,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571516994] [2021-12-15 17:26:34,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571516994] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 17:26:34,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308128991] [2021-12-15 17:26:34,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:34,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:26:34,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:34,852 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:26:34,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-12-15 17:26:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:34,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-15 17:26:34,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:34,978 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-15 17:26:34,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2021-12-15 17:26:35,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:26:35,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 17:26:35,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308128991] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:35,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 17:26:35,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2021-12-15 17:26:35,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647112782] [2021-12-15 17:26:35,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:35,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:35,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-15 17:26:35,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-12-15 17:26:35,319 INFO L87 Difference]: Start difference. First operand 31 states and 41 transitions. cyclomatic complexity: 14 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:35,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:35,405 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2021-12-15 17:26:35,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-15 17:26:35,406 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2021-12-15 17:26:35,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:26:35,407 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 21 states and 27 transitions. [2021-12-15 17:26:35,407 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-15 17:26:35,407 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-12-15 17:26:35,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2021-12-15 17:26:35,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:35,407 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-12-15 17:26:35,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2021-12-15 17:26:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2021-12-15 17:26:35,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:35,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-15 17:26:35,408 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-15 17:26:35,408 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-15 17:26:35,408 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-15 17:26:35,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-15 17:26:35,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-12-15 17:26:35,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:35,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:35,409 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:35,409 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:35,409 INFO L791 eck$LassoCheckResult]: Stem: 567#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 568#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 574#L532 assume !(main_~length1~0#1 < 1); 572#L532-2 assume !(main_~length2~0#1 < 1); 563#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 564#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 581#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 582#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 575#L541-4 main_~i~1#1 := 0; 576#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 565#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 566#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 579#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 578#L517-3 [2021-12-15 17:26:35,409 INFO L793 eck$LassoCheckResult]: Loop: 578#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 573#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 571#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 580#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 569#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 570#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 577#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 578#L517-3 [2021-12-15 17:26:35,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:35,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1066016806, now seen corresponding path program 1 times [2021-12-15 17:26:35,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:35,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405094616] [2021-12-15 17:26:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:35,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:35,416 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:35,422 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:35,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:35,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1328860033, now seen corresponding path program 3 times [2021-12-15 17:26:35,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:35,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105359988] [2021-12-15 17:26:35,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:35,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:35,426 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:35,429 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:35,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:35,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1498710394, now seen corresponding path program 1 times [2021-12-15 17:26:35,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:35,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122352392] [2021-12-15 17:26:35,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:35,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:35,437 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:35,445 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:36,334 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:36,334 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:36,334 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:36,334 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:36,334 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:36,334 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:36,334 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:36,334 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:36,334 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration6_Lasso [2021-12-15 17:26:36,334 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:36,334 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:36,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:36,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:37,323 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:37,323 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:37,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,325 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-15 17:26:37,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:37,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,384 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-15 17:26:37,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,392 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-15 17:26:37,409 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,410 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-15 17:26:37,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,436 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-15 17:26:37,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,437 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-15 17:26:37,440 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 [2021-12-15 17:26:37,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,463 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 [2021-12-15 17:26:37,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,465 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-15 17:26:37,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,531 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 [2021-12-15 17:26:37,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,533 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-15 17:26:37,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:37,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:37,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,562 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 [2021-12-15 17:26:37,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,564 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-15 17:26:37,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:37,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,641 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-15 17:26:37,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,677 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 [2021-12-15 17:26:37,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,684 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-15 17:26:37,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:37,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:37,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:37,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,752 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-15 17:26:37,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,815 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 [2021-12-15 17:26:37,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,816 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-15 17:26:37,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,877 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,877 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:37,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,911 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-15 17:26:37,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,936 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 [2021-12-15 17:26:37,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,937 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-15 17:26:37,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:37,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:37,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:37,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:37,977 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 [2021-12-15 17:26:37,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:37,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:37,979 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:37,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-15 17:26:37,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:37,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:37,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:37,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:37,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:37,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:37,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:38,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,021 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:38,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,031 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:38,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:38,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-15 17:26:38,048 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-15 17:26:38,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,049 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-15 17:26:38,051 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:38,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,086 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-15 17:26:38,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:38,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:38,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:38,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,126 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 [2021-12-15 17:26:38,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,128 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-15 17:26:38,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:38,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:38,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:38,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-15 17:26:38,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,185 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-15 17:26:38,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-15 17:26:38,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,212 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-15 17:26:38,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-15 17:26:38,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,254 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-15 17:26:38,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,263 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,263 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,294 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:38,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,295 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-15 17:26:38,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,335 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 [2021-12-15 17:26:38,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,336 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-15 17:26:38,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,384 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-15 17:26:38,384 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,385 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-15 17:26:38,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:38,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:38,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:38,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-15 17:26:38,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,426 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-15 17:26:38,440 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 [2021-12-15 17:26:38,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,447 INFO L204 nArgumentSynthesizer]: 6 loop disjuncts [2021-12-15 17:26:38,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,479 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-12-15 17:26:38,479 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-12-15 17:26:38,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:38,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:38,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,557 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-15 17:26:38,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:38,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:38,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:38,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:38,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:38,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:38,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:38,603 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:38,621 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-15 17:26:38,621 INFO L444 ModelExtractionUtils]: 42 out of 64 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-12-15 17:26:38,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:38,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:38,622 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:38,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-15 17:26:38,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:38,645 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:26:38,645 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:38,645 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_2, ULTIMATE.start_substring_~ps~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_2 - 1*ULTIMATE.start_substring_~ps~0#1.offset Supporting invariants [] [2021-12-15 17:26:38,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:38,721 INFO L297 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2021-12-15 17:26:38,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:38,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:26:38,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:38,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-15 17:26:38,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:38,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:38,848 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-15 17:26:38,848 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-12-15 17:26:38,867 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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 27 states and 36 transitions. Complement of second has 4 states. [2021-12-15 17:26:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 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) [2021-12-15 17:26:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2021-12-15 17:26:38,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 7 letters. [2021-12-15 17:26:38,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:38,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 20 letters. Loop has 7 letters. [2021-12-15 17:26:38,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:38,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 13 letters. Loop has 14 letters. [2021-12-15 17:26:38,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:38,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-12-15 17:26:38,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:38,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 34 transitions. [2021-12-15 17:26:38,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-12-15 17:26:38,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-15 17:26:38,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-12-15 17:26:38,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:26:38,870 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-12-15 17:26:38,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-12-15 17:26:38,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-12-15 17:26:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:38,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2021-12-15 17:26:38,872 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-12-15 17:26:38,872 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-12-15 17:26:38,872 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-15 17:26:38,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 34 transitions. [2021-12-15 17:26:38,872 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:38,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:38,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:38,873 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:38,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:38,873 INFO L791 eck$LassoCheckResult]: Stem: 753#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 754#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 763#L532 assume !(main_~length1~0#1 < 1); 762#L532-2 assume !(main_~length2~0#1 < 1); 751#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 752#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 774#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 775#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 766#L541-4 main_~i~1#1 := 0; 767#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 755#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 756#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 770#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 771#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 764#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 758#L520-5 [2021-12-15 17:26:38,873 INFO L793 eck$LassoCheckResult]: Loop: 758#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 772#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 757#L520-3 assume !!substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1;substring_#t~post7#1.base, substring_#t~post7#1.offset := substring_~pt~0#1.base, substring_~pt~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_#t~post7#1.base, 1 + substring_#t~post7#1.offset;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset;substring_#t~post8#1.base, substring_#t~post8#1.offset := substring_~ps2~0#1.base, substring_~ps2~0#1.offset;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_#t~post8#1.base, 1 + substring_#t~post8#1.offset;havoc substring_#t~post8#1.base, substring_#t~post8#1.offset; 758#L520-5 [2021-12-15 17:26:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:38,874 INFO L85 PathProgramCache]: Analyzing trace with hash 2055034719, now seen corresponding path program 1 times [2021-12-15 17:26:38,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:38,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709746862] [2021-12-15 17:26:38,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:38,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:38,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:38,892 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:38,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:38,894 INFO L85 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 1 times [2021-12-15 17:26:38,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:38,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876628448] [2021-12-15 17:26:38,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:38,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:38,899 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:38,902 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:38,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:38,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1075534243, now seen corresponding path program 1 times [2021-12-15 17:26:38,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:38,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068121517] [2021-12-15 17:26:38,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:38,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:38,912 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:38,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:39,904 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:39,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:39,904 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:39,904 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:39,904 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:39,904 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:39,904 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:39,904 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:39,904 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration7_Lasso [2021-12-15 17:26:39,904 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:39,904 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:39,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:39,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:41,093 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:41,093 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:41,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,094 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-15 17:26:41,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,139 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-15 17:26:41,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,148 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,179 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-15 17:26:41,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,188 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:41,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:41,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,220 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-15 17:26:41,222 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 [2021-12-15 17:26:41,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,245 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,246 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-15 17:26:41,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,282 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-15 17:26:41,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-15 17:26:41,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,308 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-15 17:26:41,310 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 [2021-12-15 17:26:41,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,347 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,348 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-15 17:26:41,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,401 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-15 17:26:41,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:41,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:41,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,441 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-15 17:26:41,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,512 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-15 17:26:41,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,551 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-15 17:26:41,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,591 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-15 17:26:41,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,629 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,630 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-15 17:26:41,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,655 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-15 17:26:41,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:41,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:41,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,684 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-15 17:26:41,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,725 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,726 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-15 17:26:41,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,753 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,755 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-15 17:26:41,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,782 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-15 17:26:41,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,821 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,822 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-15 17:26:41,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,868 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-15 17:26:41,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-15 17:26:41,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,892 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-15 17:26:41,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,947 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-15 17:26:41,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:41,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:41,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:41,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:41,971 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:41,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:41,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:41,972 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:41,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-15 17:26:41,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:41,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:41,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:41,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:41,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:41,981 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:41,981 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:41,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,013 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-15 17:26:42,015 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 [2021-12-15 17:26:42,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:42,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:42,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:42,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,052 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-15 17:26:42,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,096 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-15 17:26:42,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,127 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-15 17:26:42,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,148 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,181 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-15 17:26:42,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,210 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-15 17:26:42,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-15 17:26:42,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,237 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-15 17:26:42,239 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,245 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-15 17:26:42,245 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-15 17:26:42,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,253 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-12-15 17:26:42,254 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-15 17:26:42,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,332 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-15 17:26:42,333 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 [2021-12-15 17:26:42,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:42,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,404 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-15 17:26:42,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:42,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:42,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:42,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:42,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:42,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:42,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:42,485 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:42,545 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-15 17:26:42,546 INFO L444 ModelExtractionUtils]: 12 out of 67 variables were initially zero. Simplification set additionally 52 variables to zero. [2021-12-15 17:26:42,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:42,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:42,560 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:42,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-15 17:26:42,562 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:42,580 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:26:42,580 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:42,580 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_substring_~pt~0#1.offset, v_rep(select #length ULTIMATE.start_substring_~ps~0#1.base)_1) = -1*ULTIMATE.start_substring_~pt~0#1.offset + 1*v_rep(select #length ULTIMATE.start_substring_~ps~0#1.base)_1 Supporting invariants [] [2021-12-15 17:26:42,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:42,699 INFO L297 tatePredicateManager]: 32 out of 34 supporting invariants were superfluous and have been removed [2021-12-15 17:26:42,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:42,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-15 17:26:42,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:42,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-15 17:26:42,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:42,829 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:26:42,829 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-12-15 17:26:42,894 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 34 transitions. cyclomatic complexity: 13. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) Result 67 states and 86 transitions. Complement of second has 9 states. [2021-12-15 17:26:42,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:42,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2021-12-15 17:26:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-12-15 17:26:42,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 15 letters. Loop has 3 letters. [2021-12-15 17:26:42,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:42,898 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 18 letters. Loop has 3 letters. [2021-12-15 17:26:42,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:42,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 15 letters. Loop has 6 letters. [2021-12-15 17:26:42,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:42,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 86 transitions. [2021-12-15 17:26:42,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-15 17:26:42,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 56 states and 74 transitions. [2021-12-15 17:26:42,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-15 17:26:42,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-15 17:26:42,905 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 74 transitions. [2021-12-15 17:26:42,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:26:42,905 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 74 transitions. [2021-12-15 17:26:42,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 74 transitions. [2021-12-15 17:26:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2021-12-15 17:26:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 44 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2021-12-15 17:26:42,911 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-12-15 17:26:42,911 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 61 transitions. [2021-12-15 17:26:42,911 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-15 17:26:42,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 61 transitions. [2021-12-15 17:26:42,912 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-15 17:26:42,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:42,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:42,913 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:42,913 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:42,913 INFO L791 eck$LassoCheckResult]: Stem: 1071#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1072#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1084#L532 assume !(main_~length1~0#1 < 1); 1079#L532-2 assume !(main_~length2~0#1 < 1); 1069#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 1070#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 1095#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1096#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1085#L541-4 main_~i~1#1 := 0; 1086#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 1073#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 1074#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1090#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 1091#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1080#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1081#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1092#L520-1 [2021-12-15 17:26:42,913 INFO L793 eck$LassoCheckResult]: Loop: 1092#L520-1 assume !substring_#t~short6#1; 1075#L520-3 assume !!substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1;substring_#t~post7#1.base, substring_#t~post7#1.offset := substring_~pt~0#1.base, substring_~pt~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_#t~post7#1.base, 1 + substring_#t~post7#1.offset;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset;substring_#t~post8#1.base, substring_#t~post8#1.offset := substring_~ps2~0#1.base, substring_~ps2~0#1.offset;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_#t~post8#1.base, 1 + substring_#t~post8#1.offset;havoc substring_#t~post8#1.base, substring_#t~post8#1.offset; 1076#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1092#L520-1 [2021-12-15 17:26:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:42,914 INFO L85 PathProgramCache]: Analyzing trace with hash -718433093, now seen corresponding path program 1 times [2021-12-15 17:26:42,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:42,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906433295] [2021-12-15 17:26:42,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:42,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:42,924 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:42,939 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:42,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:42,939 INFO L85 PathProgramCache]: Analyzing trace with hash 92531, now seen corresponding path program 1 times [2021-12-15 17:26:42,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:42,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929762617] [2021-12-15 17:26:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:42,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:42,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:42,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929762617] [2021-12-15 17:26:42,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929762617] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:42,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:42,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 17:26:42,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394499569] [2021-12-15 17:26:42,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:42,946 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-15 17:26:42,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:42,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 17:26:42,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 17:26:42,947 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. cyclomatic complexity: 24 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:42,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:42,954 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2021-12-15 17:26:42,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 17:26:42,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 54 transitions. [2021-12-15 17:26:42,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:42,958 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 33 states and 42 transitions. [2021-12-15 17:26:42,958 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-15 17:26:42,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-15 17:26:42,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2021-12-15 17:26:42,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:26:42,959 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-12-15 17:26:42,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2021-12-15 17:26:42,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2021-12-15 17:26:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-12-15 17:26:42,962 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-15 17:26:42,962 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-15 17:26:42,962 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-15 17:26:42,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-12-15 17:26:42,962 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:42,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:42,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:42,964 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:42,964 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:42,964 INFO L791 eck$LassoCheckResult]: Stem: 1165#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1166#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1177#L532 assume !(main_~length1~0#1 < 1); 1173#L532-2 assume !(main_~length2~0#1 < 1); 1163#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 1164#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 1188#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1189#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1178#L541-4 main_~i~1#1 := 0; 1179#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 1167#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 1168#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1183#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 1184#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1190#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1172#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1186#L520-1 assume !substring_#t~short6#1; 1187#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 1182#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 1180#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 1181#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1174#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1170#L520-5 [2021-12-15 17:26:42,994 INFO L793 eck$LassoCheckResult]: Loop: 1170#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1185#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 1169#L520-3 assume !!substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1;substring_#t~post7#1.base, substring_#t~post7#1.offset := substring_~pt~0#1.base, substring_~pt~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_#t~post7#1.base, 1 + substring_#t~post7#1.offset;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset;substring_#t~post8#1.base, substring_#t~post8#1.offset := substring_~ps2~0#1.base, substring_~ps2~0#1.offset;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_#t~post8#1.base, 1 + substring_#t~post8#1.offset;havoc substring_#t~post8#1.base, substring_#t~post8#1.offset; 1170#L520-5 [2021-12-15 17:26:42,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:42,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1389384631, now seen corresponding path program 1 times [2021-12-15 17:26:42,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:42,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760883699] [2021-12-15 17:26:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:42,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:43,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-15 17:26:43,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-15 17:26:43,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:43,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760883699] [2021-12-15 17:26:43,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760883699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 17:26:43,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 17:26:43,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-15 17:26:43,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952056699] [2021-12-15 17:26:43,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 17:26:43,033 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:26:43,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 2 times [2021-12-15 17:26:43,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:43,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821271817] [2021-12-15 17:26:43,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:43,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,037 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:43,139 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:43,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 17:26:43,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 17:26:43,140 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:43,156 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2021-12-15 17:26:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 17:26:43,157 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 42 transitions. [2021-12-15 17:26:43,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:43,158 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 31 states and 38 transitions. [2021-12-15 17:26:43,158 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-15 17:26:43,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-15 17:26:43,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-12-15 17:26:43,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:26:43,158 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-15 17:26:43,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-12-15 17:26:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-12-15 17:26:43,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:43,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2021-12-15 17:26:43,164 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-15 17:26:43,164 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-12-15 17:26:43,164 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-15 17:26:43,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2021-12-15 17:26:43,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:43,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:43,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:43,166 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:43,166 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:43,166 INFO L791 eck$LassoCheckResult]: Stem: 1240#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1241#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1252#L532 assume !(main_~length1~0#1 < 1); 1248#L532-2 assume !(main_~length2~0#1 < 1); 1238#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 1239#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 1263#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1264#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1253#L541-4 main_~i~1#1 := 0; 1254#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 1242#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 1243#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1258#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 1259#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1265#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1247#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1261#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 1262#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 1257#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 1255#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 1256#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1249#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1245#L520-5 [2021-12-15 17:26:43,167 INFO L793 eck$LassoCheckResult]: Loop: 1245#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1260#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 1244#L520-3 assume !!substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1;substring_#t~post7#1.base, substring_#t~post7#1.offset := substring_~pt~0#1.base, substring_~pt~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_#t~post7#1.base, 1 + substring_#t~post7#1.offset;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset;substring_#t~post8#1.base, substring_#t~post8#1.offset := substring_~ps2~0#1.base, substring_~ps2~0#1.offset;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_#t~post8#1.base, 1 + substring_#t~post8#1.offset;havoc substring_#t~post8#1.base, substring_#t~post8#1.offset; 1245#L520-5 [2021-12-15 17:26:43,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:43,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1446642933, now seen corresponding path program 2 times [2021-12-15 17:26:43,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:43,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035635471] [2021-12-15 17:26:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:43,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:26:43,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 17:26:43,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035635471] [2021-12-15 17:26:43,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035635471] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 17:26:43,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083810155] [2021-12-15 17:26:43,298 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 17:26:43,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 17:26:43,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:43,300 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 17:26:43,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-12-15 17:26:43,361 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 17:26:43,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-15 17:26:43,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-15 17:26:43,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:43,459 INFO L354 Elim1Store]: treesize reduction 37, result has 19.6 percent of original size [2021-12-15 17:26:43,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 20 [2021-12-15 17:26:43,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-12-15 17:26:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:26:43,525 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 17:26:43,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 50 [2021-12-15 17:26:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-15 17:26:43,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083810155] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 17:26:43,622 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 17:26:43,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2021-12-15 17:26:43,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284674450] [2021-12-15 17:26:43,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 17:26:43,623 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-15 17:26:43,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 3 times [2021-12-15 17:26:43,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:43,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220858924] [2021-12-15 17:26:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:43,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,625 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,633 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:43,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 17:26:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-15 17:26:43,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2021-12-15 17:26:43,771 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 12 Second operand has 19 states, 18 states have (on average 2.7222222222222223) internal successors, (49), 19 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:43,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 17:26:43,942 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2021-12-15 17:26:43,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-15 17:26:43,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 60 transitions. [2021-12-15 17:26:43,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:43,943 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 34 states and 41 transitions. [2021-12-15 17:26:43,943 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-15 17:26:43,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-12-15 17:26:43,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 41 transitions. [2021-12-15 17:26:43,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-15 17:26:43,943 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 41 transitions. [2021-12-15 17:26:43,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 41 transitions. [2021-12-15 17:26:43,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-12-15 17:26:43,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 32 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2021-12-15 17:26:43,944 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-15 17:26:43,944 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 40 transitions. [2021-12-15 17:26:43,944 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-15 17:26:43,944 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 40 transitions. [2021-12-15 17:26:43,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-15 17:26:43,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-15 17:26:43,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-15 17:26:43,945 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 17:26:43,945 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-15 17:26:43,945 INFO L791 eck$LassoCheckResult]: Stem: 1480#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1481#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~malloc14#1.base, main_#t~malloc14#1.offset, main_#t~nondet16#1, main_#t~post15#1, main_~i~0#1, main_#t~nondet18#1, main_#t~post17#1, main_~i~1#1, main_#t~ret19#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~length2~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 1489#L532 assume !(main_~length1~0#1 < 1); 1488#L532-2 assume !(main_~length2~0#1 < 1); 1478#L535-1 call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call main_#t~malloc14#1.base, main_#t~malloc14#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc14#1.base, main_#t~malloc14#1.offset;main_~i~0#1 := 0; 1479#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 1503#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1504#L541-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet16#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet16#1; 1505#L541-2 main_#t~post15#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post15#1;havoc main_#t~post15#1; 1508#L541-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 1493#L541-4 main_~i~1#1 := 0; 1494#L547-3 assume !!(main_~i~1#1 < main_~length2~0#1 - 1);call write~int(main_#t~nondet18#1, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet18#1; 1482#L547-2 main_#t~post17#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post17#1;havoc main_#t~post17#1; 1483#L547-3 assume !(main_~i~1#1 < main_~length2~0#1 - 1); 1498#L547-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_substring } true;substring_#in~s#1.base, substring_#in~s#1.offset, substring_#in~t#1.base, substring_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc substring_#res#1;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset, substring_#t~post8#1.base, substring_#t~post8#1.offset, substring_#t~mem3#1, substring_#t~mem4#1, substring_#t~mem5#1, substring_#t~short6#1, substring_#t~mem9#1, substring_#t~post10#1.base, substring_#t~post10#1.offset, substring_~ps2~0#1.base, substring_~ps2~0#1.offset, substring_~pt~0#1.base, substring_~pt~0#1.offset, substring_#t~mem2#1, substring_~s#1.base, substring_~s#1.offset, substring_~t#1.base, substring_~t#1.offset, substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~s#1.base, substring_~s#1.offset := substring_#in~s#1.base, substring_#in~s#1.offset;substring_~t#1.base, substring_~t#1.offset := substring_#in~t#1.base, substring_#in~t#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_~s#1.base, substring_~s#1.offset; 1499#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1506#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1487#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1501#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 1502#L520-3 assume !substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1; 1497#L520-6 call substring_#t~mem9#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1); 1495#L524 assume !(0 == substring_#t~mem9#1);havoc substring_#t~mem9#1;substring_#t~post10#1.base, substring_#t~post10#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~ps~0#1.base, substring_~ps~0#1.offset := substring_#t~post10#1.base, 1 + substring_#t~post10#1.offset;havoc substring_#t~post10#1.base, substring_#t~post10#1.offset; 1496#L517-3 call substring_#t~mem2#1 := read~int(substring_~ps~0#1.base, substring_~ps~0#1.offset, 1); 1490#L517-1 assume !!(0 != substring_#t~mem2#1);havoc substring_#t~mem2#1;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_~ps~0#1.base, substring_~ps~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_~t#1.base, substring_~t#1.offset; 1485#L520-5 [2021-12-15 17:26:43,945 INFO L793 eck$LassoCheckResult]: Loop: 1485#L520-5 call substring_#t~mem3#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);substring_#t~short6#1 := 0 != substring_#t~mem3#1; 1500#L520-1 assume substring_#t~short6#1;call substring_#t~mem4#1 := read~int(substring_~pt~0#1.base, substring_~pt~0#1.offset, 1);call substring_#t~mem5#1 := read~int(substring_~ps2~0#1.base, substring_~ps2~0#1.offset, 1);substring_#t~short6#1 := substring_#t~mem4#1 == substring_#t~mem5#1; 1484#L520-3 assume !!substring_#t~short6#1;havoc substring_#t~mem3#1;havoc substring_#t~mem4#1;havoc substring_#t~mem5#1;havoc substring_#t~short6#1;substring_#t~post7#1.base, substring_#t~post7#1.offset := substring_~pt~0#1.base, substring_~pt~0#1.offset;substring_~pt~0#1.base, substring_~pt~0#1.offset := substring_#t~post7#1.base, 1 + substring_#t~post7#1.offset;havoc substring_#t~post7#1.base, substring_#t~post7#1.offset;substring_#t~post8#1.base, substring_#t~post8#1.offset := substring_~ps2~0#1.base, substring_~ps2~0#1.offset;substring_~ps2~0#1.base, substring_~ps2~0#1.offset := substring_#t~post8#1.base, 1 + substring_#t~post8#1.offset;havoc substring_#t~post8#1.base, substring_#t~post8#1.offset; 1485#L520-5 [2021-12-15 17:26:43,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:43,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1546919447, now seen corresponding path program 3 times [2021-12-15 17:26:43,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:43,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516952031] [2021-12-15 17:26:43,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:43,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,956 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,964 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:43,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:43,965 INFO L85 PathProgramCache]: Analyzing trace with hash 87489, now seen corresponding path program 4 times [2021-12-15 17:26:43,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:43,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329368853] [2021-12-15 17:26:43,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:43,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,967 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:43,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:43,969 INFO L85 PathProgramCache]: Analyzing trace with hash 721898201, now seen corresponding path program 1 times [2021-12-15 17:26:43,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 17:26:43,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931693128] [2021-12-15 17:26:43,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 17:26:43,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 17:26:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:43,979 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 17:26:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 17:26:44,015 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 17:26:45,777 INFO L210 LassoAnalysis]: Preferences: [2021-12-15 17:26:45,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-15 17:26:45,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-15 17:26:45,777 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-15 17:26:45,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-15 17:26:45,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:45,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-15 17:26:45,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-15 17:26:45,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: substring-alloca-2.i_Iteration11_Lasso [2021-12-15 17:26:45,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-15 17:26:45,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-15 17:26:45,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:45,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:46,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-15 17:26:48,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-15 17:26:48,145 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-15 17:26:48,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,152 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-15 17:26:48,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,177 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-15 17:26:48,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-15 17:26:48,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,202 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-15 17:26:48,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,241 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-15 17:26:48,243 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,266 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-15 17:26:48,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:48,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:48,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,307 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-15 17:26:48,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,347 INFO L229 MonitoredProcess]: Starting monitored process 94 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-15 17:26:48,349 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 [2021-12-15 17:26:48,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:48,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:48,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,382 INFO L229 MonitoredProcess]: Starting monitored process 95 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-15 17:26:48,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,407 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,408 INFO L229 MonitoredProcess]: Starting monitored process 96 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-15 17:26:48,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,448 INFO L229 MonitoredProcess]: Starting monitored process 97 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-15 17:26:48,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,481 INFO L229 MonitoredProcess]: Starting monitored process 98 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-15 17:26:48,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,520 INFO L229 MonitoredProcess]: Starting monitored process 99 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-15 17:26:48,551 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,557 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,588 INFO L229 MonitoredProcess]: Starting monitored process 100 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-15 17:26:48,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,628 INFO L229 MonitoredProcess]: Starting monitored process 101 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-15 17:26:48,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,637 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-15 17:26:48,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,667 INFO L229 MonitoredProcess]: Starting monitored process 102 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-15 17:26:48,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,697 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,698 INFO L229 MonitoredProcess]: Starting monitored process 103 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-15 17:26:48,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-15 17:26:48,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,737 INFO L229 MonitoredProcess]: Starting monitored process 104 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-15 17:26:48,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-15 17:26:48,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-15 17:26:48,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-15 17:26:48,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,776 INFO L229 MonitoredProcess]: Starting monitored process 105 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-15 17:26:48,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:48,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:48,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,815 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,816 INFO L229 MonitoredProcess]: Starting monitored process 106 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-15 17:26:48,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:48,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:48,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-15 17:26:48,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:48,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,875 INFO L229 MonitoredProcess]: Starting monitored process 107 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-15 17:26:48,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-15 17:26:48,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-15 17:26:48,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-15 17:26:48,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-15 17:26:48,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-15 17:26:48,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-15 17:26:48,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-15 17:26:48,923 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-15 17:26:48,968 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-12-15 17:26:48,968 INFO L444 ModelExtractionUtils]: 11 out of 70 variables were initially zero. Simplification set additionally 56 variables to zero. [2021-12-15 17:26:48,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-15 17:26:48,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 17:26:48,983 INFO L229 MonitoredProcess]: Starting monitored process 108 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-15 17:26:48,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-15 17:26:48,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-15 17:26:48,990 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-15 17:26:48,991 INFO L513 LassoAnalysis]: Proved termination. [2021-12-15 17:26:48,991 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_substring_~ps2~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5) = -1*ULTIMATE.start_substring_~ps2~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_5 Supporting invariants [] [2021-12-15 17:26:49,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:49,240 INFO L297 tatePredicateManager]: 62 out of 65 supporting invariants were superfluous and have been removed [2021-12-15 17:26:49,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:49,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-15 17:26:49,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:49,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:26:49,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:49,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:49,415 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:26:49,415 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:49,477 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 47 states and 55 transitions. Complement of second has 9 states. [2021-12-15 17:26:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-12-15 17:26:49,478 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 24 letters. Loop has 3 letters. [2021-12-15 17:26:49,479 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:49,479 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:26:49,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:49,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-15 17:26:49,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:49,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:26:49,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:49,672 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-15 17:26:49,672 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:49,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 47 states and 55 transitions. Complement of second has 9 states. [2021-12-15 17:26:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2021-12-15 17:26:49,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 24 letters. Loop has 3 letters. [2021-12-15 17:26:49,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:49,728 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-15 17:26:49,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 17:26:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:49,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-15 17:26:49,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:49,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-12-15 17:26:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 17:26:49,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-15 17:26:49,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 17:26:49,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 17:26:49,957 INFO L152 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 [2021-12-15 17:26:49,957 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:50,002 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 40 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 47 states and 56 transitions. Complement of second has 8 states. [2021-12-15 17:26:50,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-15 17:26:50,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 17:26:50,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2021-12-15 17:26:50,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 24 letters. Loop has 3 letters. [2021-12-15 17:26:50,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:50,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 27 letters. Loop has 3 letters. [2021-12-15 17:26:50,003 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:50,003 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 31 transitions. Stem has 24 letters. Loop has 6 letters. [2021-12-15 17:26:50,004 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-15 17:26:50,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 56 transitions. [2021-12-15 17:26:50,004 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:26:50,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 0 states and 0 transitions. [2021-12-15 17:26:50,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-15 17:26:50,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-15 17:26:50,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-15 17:26:50,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-15 17:26:50,005 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:26:50,005 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:26:50,005 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 17:26:50,005 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-15 17:26:50,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-15 17:26:50,005 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-15 17:26:50,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-15 17:26:50,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.12 05:26:50 BoogieIcfgContainer [2021-12-15 17:26:50,010 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-15 17:26:50,010 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 17:26:50,010 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 17:26:50,010 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 17:26:50,011 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 05:26:30" (3/4) ... [2021-12-15 17:26:50,012 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 17:26:50,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 17:26:50,015 INFO L158 Benchmark]: Toolchain (without parser) took 19823.86ms. Allocated memory was 102.8MB in the beginning and 257.9MB in the end (delta: 155.2MB). Free memory was 73.3MB in the beginning and 195.8MB in the end (delta: -122.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-12-15 17:26:50,015 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:50,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.57ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 17:26:50,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.62ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 69.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 17:26:50,016 INFO L158 Benchmark]: Boogie Preprocessor took 39.15ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 68.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:50,016 INFO L158 Benchmark]: RCFGBuilder took 275.24ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 56.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 17:26:50,016 INFO L158 Benchmark]: BuchiAutomizer took 19089.03ms. Allocated memory was 102.8MB in the beginning and 257.9MB in the end (delta: 155.2MB). Free memory was 56.7MB in the beginning and 195.8MB in the end (delta: -139.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-12-15 17:26:50,016 INFO L158 Benchmark]: Witness Printer took 2.29ms. Allocated memory is still 257.9MB. Free memory is still 195.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 17:26:50,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory was 59.2MB in the beginning and 59.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.57ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.62ms. Allocated memory is still 102.8MB. Free memory was 71.6MB in the beginning and 69.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.15ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 68.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.24ms. Allocated memory is still 102.8MB. Free memory was 68.3MB in the beginning and 56.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 19089.03ms. Allocated memory was 102.8MB in the beginning and 257.9MB in the end (delta: 155.2MB). Free memory was 56.7MB in the beginning and 195.8MB in the end (delta: -139.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 2.29ms. Allocated memory is still 257.9MB. Free memory is still 195.8MB. 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 11 terminating modules (6 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * nondetString2 + unknown-#length-unknown[nondetString2] + -1 * i and consists of 4 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * ps and consists of 3 locations. One deterministic module has affine ranking function -1 * pt + unknown-#length-unknown[ps] and consists of 6 locations. One nondeterministic module has affine ranking function -1 * ps2 + unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] and consists of 6 locations. 6 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.0s and 12 iterations. TraceHistogramMax:2. Analysis of lassos took 17.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 5. Automata minimization 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 17 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 45 states and ocurred in iteration 7. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 407 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 708 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 484 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 485 IncrementalHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 224 mSDtfsCounter, 485 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital289 mio100 ax108 hnf99 lsp88 ukn74 mio100 lsp50 div100 bol100 ite100 ukn100 eq185 hnf90 smp94 dnf155 smp94 tf100 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 114ms VariablesStem: 3 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 6 SupportingInvariants: 12 MotzkinApplications: 96 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-15 17:26:50,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Ended with exit code 0 [2021-12-15 17:26:50,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-12-15 17:26:50,453 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