./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 20ed64ec 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/loops/verisec_OpenSER_cases1_stripFullBoth_arr.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 8770e865452d763f6a1ae70a92c5caf41552c1e5 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 15:19:36,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 15:19:36,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 15:19:36,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 15:19:36,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 15:19:36,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 15:19:36,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 15:19:36,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 15:19:36,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 15:19:36,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 15:19:36,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 15:19:36,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 15:19:36,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 15:19:36,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 15:19:36,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 15:19:36,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 15:19:36,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 15:19:36,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 15:19:36,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 15:19:36,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 15:19:36,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 15:19:36,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 15:19:36,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 15:19:36,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 15:19:36,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 15:19:36,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 15:19:36,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 15:19:36,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 15:19:36,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 15:19:36,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 15:19:36,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 15:19:36,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 15:19:36,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 15:19:36,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 15:19:36,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 15:19:36,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 15:19:36,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 15:19:36,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 15:19:36,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 15:19:36,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 15:19:36,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 15:19:36,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-27 15:19:36,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 15:19:36,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 15:19:36,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 15:19:36,181 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 15:19:36,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 15:19:36,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 15:19:36,184 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 15:19:36,184 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-27 15:19:36,184 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-27 15:19:36,184 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-27 15:19:36,185 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-27 15:19:36,185 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-27 15:19:36,185 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-27 15:19:36,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 15:19:36,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 15:19:36,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 15:19:36,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 15:19:36,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 15:19:36,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 15:19:36,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-27 15:19:36,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-27 15:19:36,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-27 15:19:36,197 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 15:19:36,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 15:19:36,198 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-27 15:19:36,198 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 15:19:36,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-27 15:19:36,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 15:19:36,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 15:19:36,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 15:19:36,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 15:19:36,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 15:19:36,201 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-27 15:19:36,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8770e865452d763f6a1ae70a92c5caf41552c1e5 [2021-08-27 15:19:36,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 15:19:36,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 15:19:36,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 15:19:36,578 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 15:19:36,579 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 15:19:36,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2021-08-27 15:19:36,658 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ec21736/5461331822844d2fa62b0c0b1a861ea9/FLAGd47448a2d [2021-08-27 15:19:37,134 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 15:19:37,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2021-08-27 15:19:37,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ec21736/5461331822844d2fa62b0c0b1a861ea9/FLAGd47448a2d [2021-08-27 15:19:37,501 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ec21736/5461331822844d2fa62b0c0b1a861ea9 [2021-08-27 15:19:37,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 15:19:37,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 15:19:37,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 15:19:37,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 15:19:37,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 15:19:37,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7375cb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37, skipping insertion in model container [2021-08-27 15:19:37,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 15:19:37,540 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 15:19:37,642 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i[840,853] [2021-08-27 15:19:37,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:19:37,680 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 15:19:37,721 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i[840,853] [2021-08-27 15:19:37,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 15:19:37,757 INFO L208 MainTranslator]: Completed translation [2021-08-27 15:19:37,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37 WrapperNode [2021-08-27 15:19:37,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 15:19:37,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 15:19:37,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 15:19:37,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 15:19:37,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 15:19:37,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 15:19:37,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 15:19:37,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 15:19:37,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 15:19:37,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 15:19:37,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 15:19:37,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 15:19:37,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (1/1) ... [2021-08-27 15:19:37,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:37,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:37,852 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) [2021-08-27 15:19:37,885 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 [2021-08-27 15:19:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 15:19:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-27 15:19:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-27 15:19:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 15:19:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-08-27 15:19:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 15:19:37,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 15:19:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 15:19:38,322 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 15:19:38,323 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-08-27 15:19:38,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:19:38 BoogieIcfgContainer [2021-08-27 15:19:38,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 15:19:38,327 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-27 15:19:38,327 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-27 15:19:38,329 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-27 15:19:38,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:19:38,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.08 03:19:37" (1/3) ... [2021-08-27 15:19:38,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ed8d054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:19:38, skipping insertion in model container [2021-08-27 15:19:38,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:19:38,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 03:19:37" (2/3) ... [2021-08-27 15:19:38,332 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1ed8d054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.08 03:19:38, skipping insertion in model container [2021-08-27 15:19:38,332 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-27 15:19:38,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:19:38" (3/3) ... [2021-08-27 15:19:38,333 INFO L389 chiAutomizerObserver]: Analyzing ICFG verisec_OpenSER_cases1_stripFullBoth_arr.i [2021-08-27 15:19:38,371 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-27 15:19:38,371 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-27 15:19:38,371 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-27 15:19:38,372 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-27 15:19:38,372 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-27 15:19:38,372 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-27 15:19:38,372 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-27 15:19:38,372 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-27 15:19:38,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 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) [2021-08-27 15:19:38,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:38,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:38,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:38,410 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 15:19:38,410 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:38,410 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-27 15:19:38,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 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) [2021-08-27 15:19:38,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-08-27 15:19:38,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:38,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:38,416 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-27 15:19:38,416 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:38,423 INFO L791 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 8#L-1true havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 6#L61true assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 11#L62-4true [2021-08-27 15:19:38,424 INFO L793 eck$LassoCheckResult]: Loop: 11#L62-4true parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 34#L65true assume !parse_expression_list_#t~switch7; 20#L64true havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 16#L62-1true call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 31#L62-2true assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 11#L62-4true [2021-08-27 15:19:38,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:38,436 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-08-27 15:19:38,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:38,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586521920] [2021-08-27 15:19:38,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:38,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:38,559 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:38,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:38,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:38,631 INFO L82 PathProgramCache]: Analyzing trace with hash 41899121, now seen corresponding path program 1 times [2021-08-27 15:19:38,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:38,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824243705] [2021-08-27 15:19:38,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:38,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:38,645 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:38,651 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:38,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:38,652 INFO L82 PathProgramCache]: Analyzing trace with hash 181226926, now seen corresponding path program 1 times [2021-08-27 15:19:38,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:38,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812524932] [2021-08-27 15:19:38,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:38,653 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:38,677 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:38,711 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:39,840 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:39,841 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:39,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:39,841 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:39,841 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:39,841 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:39,841 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:39,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:39,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration1_Lasso [2021-08-27 15:19:39,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:39,842 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:39,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:39,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,208 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:40,616 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:40,619 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:40,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,622 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) [2021-08-27 15:19:40,626 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 [2021-08-27 15:19:40,626 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 [2021-08-27 15:19:40,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:40,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:40,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:40,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-08-27 15:19:40,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,682 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) [2021-08-27 15:19:40,689 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 [2021-08-27 15:19:40,690 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 [2021-08-27 15:19:40,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:40,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:40,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:40,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,730 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 [2021-08-27 15:19:40,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,731 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) [2021-08-27 15:19:40,732 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 [2021-08-27 15:19:40,733 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 [2021-08-27 15:19:40,739 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:40,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:40,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:40,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:40,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,761 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) [2021-08-27 15:19:40,761 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 [2021-08-27 15:19:40,763 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 [2021-08-27 15:19:40,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:40,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:40,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-08-27 15:19:40,794 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,794 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) [2021-08-27 15:19:40,795 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 [2021-08-27 15:19:40,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:40,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:40,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:40,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:40,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,823 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 [2021-08-27 15:19:40,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,826 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) [2021-08-27 15:19:40,827 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 [2021-08-27 15:19:40,828 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 [2021-08-27 15:19:40,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:40,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:40,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:40,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,858 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 [2021-08-27 15:19:40,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,860 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) [2021-08-27 15:19:40,861 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 [2021-08-27 15:19:40,862 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 [2021-08-27 15:19:40,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:40,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:40,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:40,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:40,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,890 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) [2021-08-27 15:19:40,893 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 [2021-08-27 15:19:40,894 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 [2021-08-27 15:19:40,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:40,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:40,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,924 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 [2021-08-27 15:19:40,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,926 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) [2021-08-27 15:19:40,929 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 [2021-08-27 15:19:40,932 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 [2021-08-27 15:19:40,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:40,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:40,949 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:40,967 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 [2021-08-27 15:19:40,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:40,968 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) [2021-08-27 15:19:40,971 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 [2021-08-27 15:19:40,974 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 [2021-08-27 15:19:40,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:40,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:40,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:40,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:40,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:40,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:40,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,017 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 [2021-08-27 15:19:41,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,018 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) [2021-08-27 15:19:41,019 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 [2021-08-27 15:19:41,020 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 [2021-08-27 15:19:41,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:41,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:41,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,058 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 [2021-08-27 15:19:41,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,059 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) [2021-08-27 15:19:41,060 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 [2021-08-27 15:19:41,061 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 [2021-08-27 15:19:41,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:41,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:41,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:41,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-08-27 15:19:41,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,098 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) [2021-08-27 15:19:41,125 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 [2021-08-27 15:19:41,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,135 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:41,135 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:41,137 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 [2021-08-27 15:19:41,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,170 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 [2021-08-27 15:19:41,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,171 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) [2021-08-27 15:19:41,174 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 [2021-08-27 15:19:41,175 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 [2021-08-27 15:19:41,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:41,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:41,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,256 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 [2021-08-27 15:19:41,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,257 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) [2021-08-27 15:19:41,258 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 [2021-08-27 15:19:41,259 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 [2021-08-27 15:19:41,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:41,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:41,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:41,309 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 [2021-08-27 15:19:41,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,311 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) [2021-08-27 15:19:41,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:41,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:41,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:41,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:41,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:41,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:41,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:41,362 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 [2021-08-27 15:19:41,368 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:41,420 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-27 15:19:41,421 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-27 15:19:41,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:41,445 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) [2021-08-27 15:19:41,497 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 [2021-08-27 15:19:41,498 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:41,527 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:41,528 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:41,528 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_1, ULTIMATE.start_parse_expression_list_~str.offset, ULTIMATE.start_parse_expression_list_~i~0) = 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_1 - 1*ULTIMATE.start_parse_expression_list_~str.offset - 1*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [] [2021-08-27 15:19:41,587 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 [2021-08-27 15:19:41,641 INFO L297 tatePredicateManager]: 18 out of 18 supporting invariants were superfluous and have been removed [2021-08-27 15:19:41,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:41,697 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 [2021-08-27 15:19:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:41,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:19:41,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:41,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:19:41,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:41,822 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 [2021-08-27 15:19:41,823 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 33 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:41,890 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 33 states, 32 states have (on average 1.5) internal successors, (48), 32 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 99 states and 138 transitions. Complement of second has 5 states. [2021-08-27 15:19:41,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-08-27 15:19:41,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions. [2021-08-27 15:19:41,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 5 letters. [2021-08-27 15:19:41,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:41,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 8 letters. Loop has 5 letters. [2021-08-27 15:19:41,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:41,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 97 transitions. Stem has 3 letters. Loop has 10 letters. [2021-08-27 15:19:41,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:41,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 138 transitions. [2021-08-27 15:19:41,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:41,904 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 40 states and 55 transitions. [2021-08-27 15:19:41,905 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-27 15:19:41,905 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-08-27 15:19:41,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 55 transitions. [2021-08-27 15:19:41,906 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:41,906 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 55 transitions. [2021-08-27 15:19:41,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 55 transitions. [2021-08-27 15:19:41,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-08-27 15:19:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 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) [2021-08-27 15:19:41,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-08-27 15:19:41,929 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-08-27 15:19:41,929 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-08-27 15:19:41,929 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-27 15:19:41,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2021-08-27 15:19:41,930 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:41,930 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:41,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:41,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:41,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:41,931 INFO L791 eck$LassoCheckResult]: Stem: 284#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 262#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 258#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 259#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 271#L65 assume parse_expression_list_#t~switch7; 268#L66-5 [2021-08-27 15:19:41,931 INFO L793 eck$LassoCheckResult]: Loop: 268#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 280#L66-1 assume parse_expression_list_#t~short10; 267#L66-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 268#L66-5 [2021-08-27 15:19:41,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:41,932 INFO L82 PathProgramCache]: Analyzing trace with hash 28695815, now seen corresponding path program 1 times [2021-08-27 15:19:41,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:41,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361021521] [2021-08-27 15:19:41,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:41,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:41,948 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:41,963 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:41,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:41,964 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 1 times [2021-08-27 15:19:41,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:41,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760230405] [2021-08-27 15:19:41,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:41,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:41,969 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:41,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:41,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:41,974 INFO L82 PathProgramCache]: Analyzing trace with hash 178551732, now seen corresponding path program 1 times [2021-08-27 15:19:41,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:41,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669711096] [2021-08-27 15:19:41,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:41,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:42,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:42,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669711096] [2021-08-27 15:19:42,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669711096] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:42,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:42,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 15:19:42,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958347708] [2021-08-27 15:19:42,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:42,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 15:19:42,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-27 15:19:42,186 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 18 Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:42,313 INFO L93 Difference]: Finished difference Result 71 states and 97 transitions. [2021-08-27 15:19:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 15:19:42,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 97 transitions. [2021-08-27 15:19:42,316 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-08-27 15:19:42,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 71 states and 97 transitions. [2021-08-27 15:19:42,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-08-27 15:19:42,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-08-27 15:19:42,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 97 transitions. [2021-08-27 15:19:42,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:42,318 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 97 transitions. [2021-08-27 15:19:42,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 97 transitions. [2021-08-27 15:19:42,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 46. [2021-08-27 15:19:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 45 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2021-08-27 15:19:42,322 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2021-08-27 15:19:42,322 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 63 transitions. [2021-08-27 15:19:42,322 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-27 15:19:42,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 63 transitions. [2021-08-27 15:19:42,323 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:42,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:42,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:42,323 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:42,323 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:42,324 INFO L791 eck$LassoCheckResult]: Stem: 408#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 385#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 381#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 382#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 392#L65 assume !parse_expression_list_#t~switch7; 384#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 406#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 407#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 393#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 394#L65 assume parse_expression_list_#t~switch7; 416#L66-5 [2021-08-27 15:19:42,324 INFO L793 eck$LassoCheckResult]: Loop: 416#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 419#L66-1 assume parse_expression_list_#t~short10; 420#L66-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 416#L66-5 [2021-08-27 15:19:42,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:42,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1934582895, now seen corresponding path program 1 times [2021-08-27 15:19:42,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:42,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261798204] [2021-08-27 15:19:42,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:42,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:42,338 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:42,353 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:42,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:42,354 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 2 times [2021-08-27 15:19:42,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:42,354 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237245610] [2021-08-27 15:19:42,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:42,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:42,359 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:42,362 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:42,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:42,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1007139050, now seen corresponding path program 1 times [2021-08-27 15:19:42,363 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:42,363 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498467267] [2021-08-27 15:19:42,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:42,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:42,375 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:42,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:43,231 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:43,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:43,232 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:43,232 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:43,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:43,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:43,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:43,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:43,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration3_Lasso [2021-08-27 15:19:43,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:43,233 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:43,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:43,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:44,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:44,019 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:44,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,038 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) [2021-08-27 15:19:44,038 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 [2021-08-27 15:19:44,040 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 [2021-08-27 15:19:44,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:44,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:44,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:44,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,063 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 [2021-08-27 15:19:44,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,064 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) [2021-08-27 15:19:44,068 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 [2021-08-27 15:19:44,068 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 [2021-08-27 15:19:44,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:44,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:44,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:44,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,094 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 [2021-08-27 15:19:44,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,095 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) [2021-08-27 15:19:44,096 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 [2021-08-27 15:19:44,097 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 [2021-08-27 15:19:44,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,105 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-08-27 15:19:44,133 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,134 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) [2021-08-27 15:19:44,136 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 [2021-08-27 15:19:44,136 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 [2021-08-27 15:19:44,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,143 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,144 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,175 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 [2021-08-27 15:19:44,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,177 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) [2021-08-27 15:19:44,178 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 [2021-08-27 15:19:44,179 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 [2021-08-27 15:19:44,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-08-27 15:19:44,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,232 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) [2021-08-27 15:19:44,233 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 [2021-08-27 15:19:44,235 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 [2021-08-27 15:19:44,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-08-27 15:19:44,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,273 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:44,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-08-27 15:19:44,276 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 [2021-08-27 15:19:44,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-08-27 15:19:44,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,303 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) [2021-08-27 15:19:44,304 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 [2021-08-27 15:19:44,305 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 [2021-08-27 15:19:44,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,362 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 [2021-08-27 15:19:44,362 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,363 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) [2021-08-27 15:19:44,364 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 [2021-08-27 15:19:44,365 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 [2021-08-27 15:19:44,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:44,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,401 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) [2021-08-27 15:19:44,402 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 [2021-08-27 15:19:44,430 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 [2021-08-27 15:19:44,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,474 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 [2021-08-27 15:19:44,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,475 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) [2021-08-27 15:19:44,476 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 [2021-08-27 15:19:44,477 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 [2021-08-27 15:19:44,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,484 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:44,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,487 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:44,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,506 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 [2021-08-27 15:19:44,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,507 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) [2021-08-27 15:19:44,508 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 [2021-08-27 15:19:44,509 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 [2021-08-27 15:19:44,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,542 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 [2021-08-27 15:19:44,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,543 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) [2021-08-27 15:19:44,543 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 [2021-08-27 15:19:44,544 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 [2021-08-27 15:19:44,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-08-27 15:19:44,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,580 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) [2021-08-27 15:19:44,590 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 [2021-08-27 15:19:44,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,599 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,602 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 [2021-08-27 15:19:44,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,643 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 [2021-08-27 15:19:44,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,645 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) [2021-08-27 15:19:44,646 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 [2021-08-27 15:19:44,647 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 [2021-08-27 15:19:44,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:44,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:44,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:44,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,689 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 [2021-08-27 15:19:44,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,690 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) [2021-08-27 15:19:44,691 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 [2021-08-27 15:19:44,692 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 [2021-08-27 15:19:44,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:44,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-08-27 15:19:44,734 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,735 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) [2021-08-27 15:19:44,736 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 [2021-08-27 15:19:44,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:44,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:44,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:44,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:44,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:44,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:44,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:44,776 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:44,816 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-08-27 15:19:44,816 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-08-27 15:19:44,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:44,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:44,825 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) [2021-08-27 15:19:44,826 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 [2021-08-27 15:19:44,832 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:44,841 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-08-27 15:19:44,842 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:44,842 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~start~0, #t~string0.offset, ULTIMATE.start_parse_expression_list_~i~0) = -1*ULTIMATE.start_parse_expression_list_~start~0 - 1*#t~string0.offset + 10*ULTIMATE.start_parse_expression_list_~i~0 Supporting invariants [9*ULTIMATE.start_parse_expression_list_~i~0 - 1*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_2 >= 0] [2021-08-27 15:19:44,859 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 [2021-08-27 15:19:44,918 INFO L297 tatePredicateManager]: 23 out of 26 supporting invariants were superfluous and have been removed [2021-08-27 15:19:44,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:44,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjunts are in the unsatisfiable core [2021-08-27 15:19:44,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:45,061 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-08-27 15:19:45,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 19 [2021-08-27 15:19:45,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-08-27 15:19:45,153 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 [2021-08-27 15:19:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:45,464 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 15:19:45,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:45,531 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-08-27 15:19:45,531 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:45,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 63 transitions. cyclomatic complexity: 20. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 161 states and 222 transitions. Complement of second has 12 states. [2021-08-27 15:19:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2021-08-27 15:19:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 66 transitions. [2021-08-27 15:19:45,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 66 transitions. Stem has 10 letters. Loop has 3 letters. [2021-08-27 15:19:45,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:45,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 66 transitions. Stem has 13 letters. Loop has 3 letters. [2021-08-27 15:19:45,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:45,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 66 transitions. Stem has 10 letters. Loop has 6 letters. [2021-08-27 15:19:45,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:45,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 161 states and 222 transitions. [2021-08-27 15:19:45,699 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-08-27 15:19:45,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 161 states to 123 states and 168 transitions. [2021-08-27 15:19:45,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-08-27 15:19:45,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-08-27 15:19:45,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 123 states and 168 transitions. [2021-08-27 15:19:45,702 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:45,702 INFO L681 BuchiCegarLoop]: Abstraction has 123 states and 168 transitions. [2021-08-27 15:19:45,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states and 168 transitions. [2021-08-27 15:19:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 70. [2021-08-27 15:19:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.4) internal successors, (98), 69 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:45,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2021-08-27 15:19:45,714 INFO L704 BuchiCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-08-27 15:19:45,714 INFO L587 BuchiCegarLoop]: Abstraction has 70 states and 98 transitions. [2021-08-27 15:19:45,714 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-27 15:19:45,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 98 transitions. [2021-08-27 15:19:45,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:45,715 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:45,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:45,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:45,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:45,716 INFO L791 eck$LassoCheckResult]: Stem: 806#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 781#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 777#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 778#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 789#L65 assume parse_expression_list_#t~switch7; 799#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 800#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 840#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 782#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 783#L67 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 792#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 793#L69-8 [2021-08-27 15:19:45,716 INFO L793 eck$LassoCheckResult]: Loop: 793#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 812#L69-1 assume !parse_expression_list_#t~short17; 775#L69-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 793#L69-8 [2021-08-27 15:19:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 1 times [2021-08-27 15:19:45,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:45,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535818338] [2021-08-27 15:19:45,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:45,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:45,729 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:45,741 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:45,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:45,742 INFO L82 PathProgramCache]: Analyzing trace with hash 75859, now seen corresponding path program 1 times [2021-08-27 15:19:45,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:45,742 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725593217] [2021-08-27 15:19:45,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:45,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:45,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:45,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:45,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725593217] [2021-08-27 15:19:45,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725593217] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:45,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:45,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-27 15:19:45,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279123699] [2021-08-27 15:19:45,752 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-27 15:19:45,752 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:45,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 15:19:45,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 15:19:45,753 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. cyclomatic complexity: 33 Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 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) [2021-08-27 15:19:45,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:45,765 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2021-08-27 15:19:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 15:19:45,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 99 transitions. [2021-08-27 15:19:45,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:45,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 71 states and 98 transitions. [2021-08-27 15:19:45,772 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-08-27 15:19:45,773 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-08-27 15:19:45,773 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 98 transitions. [2021-08-27 15:19:45,773 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:45,773 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2021-08-27 15:19:45,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 98 transitions. [2021-08-27 15:19:45,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-08-27 15:19:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.380281690140845) internal successors, (98), 70 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2021-08-27 15:19:45,780 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2021-08-27 15:19:45,780 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 98 transitions. [2021-08-27 15:19:45,780 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-08-27 15:19:45,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 98 transitions. [2021-08-27 15:19:45,781 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:45,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:45,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:45,782 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:45,782 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:45,783 INFO L791 eck$LassoCheckResult]: Stem: 953#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 929#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 925#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 926#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 936#L65 assume parse_expression_list_#t~switch7; 978#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 975#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 971#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 970#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 967#L67 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 939#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 940#L69-8 [2021-08-27 15:19:45,783 INFO L793 eck$LassoCheckResult]: Loop: 940#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 960#L69-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 923#L69-2 assume parse_expression_list_#t~short16; 919#L69-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 920#L69-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 940#L69-8 [2021-08-27 15:19:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:45,783 INFO L82 PathProgramCache]: Analyzing trace with hash 2066956948, now seen corresponding path program 2 times [2021-08-27 15:19:45,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:45,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366844129] [2021-08-27 15:19:45,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:45,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:45,804 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:45,822 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:45,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:45,827 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 1 times [2021-08-27 15:19:45,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:45,827 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866382827] [2021-08-27 15:19:45,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:45,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:45,832 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:45,835 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:45,836 INFO L82 PathProgramCache]: Analyzing trace with hash 733119365, now seen corresponding path program 1 times [2021-08-27 15:19:45,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:45,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643179069] [2021-08-27 15:19:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:45,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:45,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:45,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643179069] [2021-08-27 15:19:45,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643179069] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:45,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:45,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 15:19:45,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428979411] [2021-08-27 15:19:45,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:45,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 15:19:45,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-27 15:19:45,965 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. cyclomatic complexity: 32 Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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) [2021-08-27 15:19:46,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:46,043 INFO L93 Difference]: Finished difference Result 111 states and 149 transitions. [2021-08-27 15:19:46,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-27 15:19:46,043 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 149 transitions. [2021-08-27 15:19:46,044 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:46,045 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 103 states and 140 transitions. [2021-08-27 15:19:46,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-08-27 15:19:46,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-08-27 15:19:46,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 103 states and 140 transitions. [2021-08-27 15:19:46,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:46,046 INFO L681 BuchiCegarLoop]: Abstraction has 103 states and 140 transitions. [2021-08-27 15:19:46,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states and 140 transitions. [2021-08-27 15:19:46,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 73. [2021-08-27 15:19:46,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.36986301369863) internal successors, (100), 72 states have internal predecessors, (100), 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) [2021-08-27 15:19:46,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 100 transitions. [2021-08-27 15:19:46,049 INFO L704 BuchiCegarLoop]: Abstraction has 73 states and 100 transitions. [2021-08-27 15:19:46,049 INFO L587 BuchiCegarLoop]: Abstraction has 73 states and 100 transitions. [2021-08-27 15:19:46,050 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-08-27 15:19:46,050 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 100 transitions. [2021-08-27 15:19:46,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:46,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:46,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:46,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1] [2021-08-27 15:19:46,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:46,051 INFO L791 eck$LassoCheckResult]: Stem: 1153#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1128#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1124#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1125#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1136#L65 assume !parse_expression_list_#t~switch7; 1169#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1182#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1181#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1180#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1178#L65 assume !parse_expression_list_#t~switch7; 1127#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1149#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1150#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1137#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1138#L65 assume parse_expression_list_#t~switch7; 1146#L66-5 [2021-08-27 15:19:46,051 INFO L793 eck$LassoCheckResult]: Loop: 1146#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1147#L66-1 assume parse_expression_list_#t~short10; 1183#L66-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 1146#L66-5 [2021-08-27 15:19:46,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:46,052 INFO L82 PathProgramCache]: Analyzing trace with hash -231120057, now seen corresponding path program 2 times [2021-08-27 15:19:46,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:46,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101036923] [2021-08-27 15:19:46,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:46,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:46,066 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:46,077 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:46,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:46,077 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 3 times [2021-08-27 15:19:46,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:46,078 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218286520] [2021-08-27 15:19:46,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:46,078 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:46,081 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:46,084 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:46,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:46,084 INFO L82 PathProgramCache]: Analyzing trace with hash -465023628, now seen corresponding path program 2 times [2021-08-27 15:19:46,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:46,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729854453] [2021-08-27 15:19:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:46,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:46,114 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:46,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:46,901 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:46,901 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:46,901 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:46,901 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:46,901 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:46,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:46,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:46,902 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:46,902 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration6_Lasso [2021-08-27 15:19:46,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:46,902 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:46,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:46,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:47,609 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:47,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:47,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,612 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) [2021-08-27 15:19:47,613 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 [2021-08-27 15:19:47,614 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 [2021-08-27 15:19:47,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:47,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:47,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:47,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,641 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 [2021-08-27 15:19:47,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,642 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) [2021-08-27 15:19:47,642 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 [2021-08-27 15:19:47,643 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 [2021-08-27 15:19:47,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:47,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:47,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:47,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-08-27 15:19:47,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,668 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) [2021-08-27 15:19:47,668 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 [2021-08-27 15:19:47,669 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 [2021-08-27 15:19:47,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:47,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:47,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:47,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,695 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-08-27 15:19:47,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,696 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) [2021-08-27 15:19:47,697 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 [2021-08-27 15:19:47,698 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 [2021-08-27 15:19:47,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:47,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:47,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,758 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 [2021-08-27 15:19:47,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,759 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) [2021-08-27 15:19:47,759 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 [2021-08-27 15:19:47,761 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 [2021-08-27 15:19:47,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:47,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:47,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:47,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-08-27 15:19:47,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,785 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) [2021-08-27 15:19:47,789 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 [2021-08-27 15:19:47,796 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 [2021-08-27 15:19:47,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:47,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:47,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:47,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,826 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-08-27 15:19:47,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,827 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) [2021-08-27 15:19:47,829 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 [2021-08-27 15:19:47,829 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 [2021-08-27 15:19:47,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:47,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:47,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,874 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 [2021-08-27 15:19:47,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,876 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) [2021-08-27 15:19:47,877 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 [2021-08-27 15:19:47,878 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 [2021-08-27 15:19:47,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:47,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:47,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:47,952 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 [2021-08-27 15:19:47,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:47,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:47,954 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) [2021-08-27 15:19:47,955 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 [2021-08-27 15:19:47,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:47,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:47,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:47,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:47,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:47,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:47,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:47,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:47,980 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:48,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,007 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) [2021-08-27 15:19:48,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,022 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 [2021-08-27 15:19:48,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,046 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 [2021-08-27 15:19:48,046 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,047 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) [2021-08-27 15:19:48,056 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 [2021-08-27 15:19:48,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,063 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-08-27 15:19:48,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,081 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) [2021-08-27 15:19:48,081 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 [2021-08-27 15:19:48,082 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 [2021-08-27 15:19:48,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,108 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 [2021-08-27 15:19:48,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,108 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) [2021-08-27 15:19:48,109 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 [2021-08-27 15:19:48,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,174 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 [2021-08-27 15:19:48,174 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,175 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) [2021-08-27 15:19:48,175 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 [2021-08-27 15:19:48,176 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 [2021-08-27 15:19:48,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-08-27 15:19:48,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,217 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) [2021-08-27 15:19:48,218 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 [2021-08-27 15:19:48,219 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 [2021-08-27 15:19:48,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,226 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,242 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 [2021-08-27 15:19:48,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,244 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) [2021-08-27 15:19:48,244 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 [2021-08-27 15:19:48,245 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 [2021-08-27 15:19:48,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-08-27 15:19:48,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,272 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) [2021-08-27 15:19:48,273 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 [2021-08-27 15:19:48,274 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 [2021-08-27 15:19:48,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-08-27 15:19:48,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,302 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) [2021-08-27 15:19:48,304 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 [2021-08-27 15:19:48,305 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 [2021-08-27 15:19:48,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-08-27 15:19:48,329 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,329 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) [2021-08-27 15:19:48,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,378 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 [2021-08-27 15:19:48,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,393 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 [2021-08-27 15:19:48,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,394 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) [2021-08-27 15:19:48,395 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 [2021-08-27 15:19:48,396 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 [2021-08-27 15:19:48,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,402 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:48,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,403 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:48,403 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-08-27 15:19:48,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,423 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) [2021-08-27 15:19:48,424 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 [2021-08-27 15:19:48,426 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 [2021-08-27 15:19:48,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,433 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,433 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-08-27 15:19:48,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,453 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) [2021-08-27 15:19:48,453 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 [2021-08-27 15:19:48,454 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 [2021-08-27 15:19:48,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,462 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,462 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,480 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 [2021-08-27 15:19:48,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,481 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) [2021-08-27 15:19:48,481 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 [2021-08-27 15:19:48,483 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 [2021-08-27 15:19:48,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,489 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-08-27 15:19:48,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,492 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-08-27 15:19:48,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,526 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 [2021-08-27 15:19:48,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,529 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) [2021-08-27 15:19:48,530 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 [2021-08-27 15:19:48,532 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 [2021-08-27 15:19:48,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,560 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,579 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 [2021-08-27 15:19:48,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,580 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) [2021-08-27 15:19:48,581 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 [2021-08-27 15:19:48,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,589 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,589 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,606 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 [2021-08-27 15:19:48,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,607 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) [2021-08-27 15:19:48,608 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 [2021-08-27 15:19:48,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-08-27 15:19:48,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,635 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) [2021-08-27 15:19:48,636 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 [2021-08-27 15:19:48,636 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 [2021-08-27 15:19:48,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,643 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-08-27 15:19:48,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,665 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) [2021-08-27 15:19:48,665 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 [2021-08-27 15:19:48,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,673 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,674 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,691 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-08-27 15:19:48,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,692 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) [2021-08-27 15:19:48,692 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 [2021-08-27 15:19:48,693 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 [2021-08-27 15:19:48,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-08-27 15:19:48,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,720 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) [2021-08-27 15:19:48,721 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 [2021-08-27 15:19:48,722 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 [2021-08-27 15:19:48,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-08-27 15:19:48,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,749 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) [2021-08-27 15:19:48,749 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 [2021-08-27 15:19:48,750 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 [2021-08-27 15:19:48,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,776 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-08-27 15:19:48,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,776 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) [2021-08-27 15:19:48,778 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 [2021-08-27 15:19:48,779 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 [2021-08-27 15:19:48,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,789 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,789 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-08-27 15:19:48,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,810 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) [2021-08-27 15:19:48,811 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 [2021-08-27 15:19:48,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:48,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-08-27 15:19:48,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,841 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) [2021-08-27 15:19:48,842 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 [2021-08-27 15:19:48,844 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 [2021-08-27 15:19:48,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:48,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:48,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:48,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:48,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-08-27 15:19:48,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,868 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) [2021-08-27 15:19:48,868 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 [2021-08-27 15:19:48,869 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 [2021-08-27 15:19:48,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:48,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:48,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:48,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:48,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:48,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:48,891 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:48,910 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-08-27 15:19:48,910 INFO L444 ModelExtractionUtils]: 6 out of 28 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-08-27 15:19:48,910 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:48,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:48,911 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) [2021-08-27 15:19:48,911 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 [2021-08-27 15:19:48,912 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:48,921 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:48,921 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:48,922 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~str.offset, v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_3, ULTIMATE.start_parse_expression_list_~start~0) = -1*ULTIMATE.start_parse_expression_list_~str.offset + 1*v_rep(select #length ULTIMATE.start_parse_expression_list_~str.base)_3 - 1*ULTIMATE.start_parse_expression_list_~start~0 Supporting invariants [] [2021-08-27 15:19:48,937 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 [2021-08-27 15:19:48,995 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-08-27 15:19:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-08-27 15:19:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:49,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:19:49,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:49,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 15:19:49,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:49,137 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 [2021-08-27 15:19:49,137 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 73 states and 100 transitions. cyclomatic complexity: 32 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:49,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 73 states and 100 transitions. cyclomatic complexity: 32. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 208 states and 282 transitions. Complement of second has 7 states. [2021-08-27 15:19:49,178 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 [2021-08-27 15:19:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-27 15:19:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 53 transitions. [2021-08-27 15:19:49,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 53 transitions. Stem has 15 letters. Loop has 3 letters. [2021-08-27 15:19:49,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:49,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 53 transitions. Stem has 18 letters. Loop has 3 letters. [2021-08-27 15:19:49,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:49,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 53 transitions. Stem has 15 letters. Loop has 6 letters. [2021-08-27 15:19:49,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:49,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 208 states and 282 transitions. [2021-08-27 15:19:49,182 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 18 [2021-08-27 15:19:49,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 208 states to 147 states and 197 transitions. [2021-08-27 15:19:49,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-08-27 15:19:49,185 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-08-27 15:19:49,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 197 transitions. [2021-08-27 15:19:49,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:49,186 INFO L681 BuchiCegarLoop]: Abstraction has 147 states and 197 transitions. [2021-08-27 15:19:49,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 197 transitions. [2021-08-27 15:19:49,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 77. [2021-08-27 15:19:49,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 76 states have internal predecessors, (104), 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) [2021-08-27 15:19:49,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2021-08-27 15:19:49,198 INFO L704 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2021-08-27 15:19:49,198 INFO L587 BuchiCegarLoop]: Abstraction has 77 states and 104 transitions. [2021-08-27 15:19:49,198 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-08-27 15:19:49,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 104 transitions. [2021-08-27 15:19:49,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:49,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:49,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:49,200 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:49,200 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:49,200 INFO L791 eck$LassoCheckResult]: Stem: 1631#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1607#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1603#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1604#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1614#L65 assume !parse_expression_list_#t~switch7; 1634#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 1624#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 1625#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1615#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1616#L65 assume parse_expression_list_#t~switch7; 1641#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 1629#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 1612#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 1608#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1609#L67 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 1617#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1618#L69-8 [2021-08-27 15:19:49,200 INFO L793 eck$LassoCheckResult]: Loop: 1618#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 1637#L69-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 1601#L69-2 assume parse_expression_list_#t~short16; 1597#L69-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 1598#L69-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 1618#L69-8 [2021-08-27 15:19:49,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,200 INFO L82 PathProgramCache]: Analyzing trace with hash -960269922, now seen corresponding path program 1 times [2021-08-27 15:19:49,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:49,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543649722] [2021-08-27 15:19:49,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,218 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:49,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,229 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 2 times [2021-08-27 15:19:49,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:49,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652769960] [2021-08-27 15:19:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,232 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,235 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:49,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,235 INFO L82 PathProgramCache]: Analyzing trace with hash -554161477, now seen corresponding path program 1 times [2021-08-27 15:19:49,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:49,236 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044209235] [2021-08-27 15:19:49,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:49,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:49,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044209235] [2021-08-27 15:19:49,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044209235] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:49,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578739831] [2021-08-27 15:19:49,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:49,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:49,292 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:49,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2021-08-27 15:19:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:49,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 15:19:49,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:49,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578739831] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:49,453 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:49,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-08-27 15:19:49,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161106691] [2021-08-27 15:19:49,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:49,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-27 15:19:49,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-27 15:19:49,528 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. cyclomatic complexity: 33 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 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) [2021-08-27 15:19:49,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:49,665 INFO L93 Difference]: Finished difference Result 165 states and 222 transitions. [2021-08-27 15:19:49,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:19:49,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 165 states and 222 transitions. [2021-08-27 15:19:49,670 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-08-27 15:19:49,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 165 states to 150 states and 200 transitions. [2021-08-27 15:19:49,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-08-27 15:19:49,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-08-27 15:19:49,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 200 transitions. [2021-08-27 15:19:49,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:49,672 INFO L681 BuchiCegarLoop]: Abstraction has 150 states and 200 transitions. [2021-08-27 15:19:49,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 200 transitions. [2021-08-27 15:19:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 116. [2021-08-27 15:19:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 116 states have (on average 1.3448275862068966) internal successors, (156), 115 states have internal predecessors, (156), 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) [2021-08-27 15:19:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 156 transitions. [2021-08-27 15:19:49,676 INFO L704 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2021-08-27 15:19:49,676 INFO L587 BuchiCegarLoop]: Abstraction has 116 states and 156 transitions. [2021-08-27 15:19:49,676 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-08-27 15:19:49,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 116 states and 156 transitions. [2021-08-27 15:19:49,677 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:49,677 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:49,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:49,678 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:49,678 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-27 15:19:49,678 INFO L791 eck$LassoCheckResult]: Stem: 1958#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 1931#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 1927#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 1928#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1939#L65 assume !parse_expression_list_#t~switch7; 2026#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2031#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2030#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1940#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1941#L65 assume !parse_expression_list_#t~switch7; 1969#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2036#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2013#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 1994#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 1991#L65 assume parse_expression_list_#t~switch7; 1992#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2005#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2002#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2000#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 1977#L67 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 1942#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 1943#L69-8 [2021-08-27 15:19:49,678 INFO L793 eck$LassoCheckResult]: Loop: 1943#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 1964#L69-1 assume parse_expression_list_#t~short17;call parse_expression_list_#t~mem14 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~j~0, 1);parse_expression_list_#t~short16 := 32 == parse_expression_list_#t~mem14; 1921#L69-2 assume parse_expression_list_#t~short16; 1922#L69-4 parse_expression_list_#t~short17 := parse_expression_list_#t~short16; 1925#L69-6 assume !!parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17;parse_expression_list_#t~post18 := parse_expression_list_~j~0;parse_expression_list_~j~0 := parse_expression_list_#t~post18 - 1;havoc parse_expression_list_#t~post18; 1943#L69-8 [2021-08-27 15:19:49,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,679 INFO L82 PathProgramCache]: Analyzing trace with hash 2047416470, now seen corresponding path program 1 times [2021-08-27 15:19:49,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:49,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435557429] [2021-08-27 15:19:49,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,691 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,704 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:49,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,705 INFO L82 PathProgramCache]: Analyzing trace with hash 72622648, now seen corresponding path program 3 times [2021-08-27 15:19:49,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:49,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891519489] [2021-08-27 15:19:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,709 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:49,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:49,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1518083779, now seen corresponding path program 1 times [2021-08-27 15:19:49,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:49,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139478026] [2021-08-27 15:19:49,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:49,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,729 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:49,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:50,680 INFO L210 LassoAnalysis]: Preferences: [2021-08-27 15:19:50,680 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-08-27 15:19:50,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-08-27 15:19:50,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-08-27 15:19:50,680 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-08-27 15:19:50,680 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:50,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-08-27 15:19:50,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-08-27 15:19:50,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: verisec_OpenSER_cases1_stripFullBoth_arr.i_Iteration8_Lasso [2021-08-27 15:19:50,681 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-08-27 15:19:50,681 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-08-27 15:19:50,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:50,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:50,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:50,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:50,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:50,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-08-27 15:19:51,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-08-27 15:19:51,397 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-08-27 15:19:51,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,400 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) [2021-08-27 15:19:51,401 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 [2021-08-27 15:19:51,402 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 [2021-08-27 15:19:51,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-08-27 15:19:51,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,428 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) [2021-08-27 15:19:51,428 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 [2021-08-27 15:19:51,430 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 [2021-08-27 15:19:51,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-08-27 15:19:51,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,456 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) [2021-08-27 15:19:51,457 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 [2021-08-27 15:19:51,458 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 [2021-08-27 15:19:51,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:51,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,465 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:51,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:51,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,482 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 [2021-08-27 15:19:51,482 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,483 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) [2021-08-27 15:19:51,483 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 [2021-08-27 15:19:51,485 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 [2021-08-27 15:19:51,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,514 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 [2021-08-27 15:19:51,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,515 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) [2021-08-27 15:19:51,515 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 [2021-08-27 15:19:51,516 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 [2021-08-27 15:19:51,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:51,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:51,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:51,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-08-27 15:19:51,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,540 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) [2021-08-27 15:19:51,542 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 [2021-08-27 15:19:51,544 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 [2021-08-27 15:19:51,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-08-27 15:19:51,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,570 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) [2021-08-27 15:19:51,572 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 [2021-08-27 15:19:51,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:51,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-08-27 15:19:51,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,580 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-08-27 15:19:51,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-08-27 15:19:51,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-08-27 15:19:51,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,597 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) [2021-08-27 15:19:51,597 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 [2021-08-27 15:19:51,600 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 [2021-08-27 15:19:51,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-08-27 15:19:51,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,629 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) [2021-08-27 15:19:51,629 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 [2021-08-27 15:19:51,630 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 [2021-08-27 15:19:51,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:51,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,657 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) [2021-08-27 15:19:51,658 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 [2021-08-27 15:19:51,658 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 [2021-08-27 15:19:51,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-08-27 15:19:51,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,684 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) [2021-08-27 15:19:51,685 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 [2021-08-27 15:19:51,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:51,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-08-27 15:19:51,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,748 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) [2021-08-27 15:19:51,749 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 [2021-08-27 15:19:51,750 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 [2021-08-27 15:19:51,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-08-27 15:19:51,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,816 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) [2021-08-27 15:19:51,818 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 [2021-08-27 15:19:51,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-08-27 15:19:51,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,844 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 [2021-08-27 15:19:51,844 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,845 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-27 15:19:51,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-08-27 15:19:51,846 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 [2021-08-27 15:19:51,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-08-27 15:19:51,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,880 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) [2021-08-27 15:19:51,881 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 [2021-08-27 15:19:51,882 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 [2021-08-27 15:19:51,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,923 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 [2021-08-27 15:19:51,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,925 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) [2021-08-27 15:19:51,929 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 [2021-08-27 15:19:51,929 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 [2021-08-27 15:19:51,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,937 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,937 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-08-27 15:19:51,954 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 [2021-08-27 15:19:51,954 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:51,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:51,955 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) [2021-08-27 15:19:51,955 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 [2021-08-27 15:19:51,957 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 [2021-08-27 15:19:51,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-08-27 15:19:51,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-08-27 15:19:51,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-08-27 15:19:51,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-08-27 15:19:51,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-08-27 15:19:51,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-08-27 15:19:51,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-08-27 15:19:51,999 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-08-27 15:19:51,999 INFO L444 ModelExtractionUtils]: 14 out of 31 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-08-27 15:19:52,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-27 15:19:52,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:52,001 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) [2021-08-27 15:19:52,001 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 [2021-08-27 15:19:52,002 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-08-27 15:19:52,009 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-08-27 15:19:52,009 INFO L513 LassoAnalysis]: Proved termination. [2021-08-27 15:19:52,010 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_parse_expression_list_~j~0) = 1*ULTIMATE.start_parse_expression_list_~j~0 Supporting invariants [] [2021-08-27 15:19:52,025 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 [2021-08-27 15:19:52,077 INFO L297 tatePredicateManager]: 30 out of 30 supporting invariants were superfluous and have been removed [2021-08-27 15:19:52,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:52,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 15:19:52,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:52,187 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 [2021-08-27 15:19:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:52,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-27 15:19:52,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:52,300 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-08-27 15:19:52,300 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) [2021-08-27 15:19:52,383 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 116 states and 156 transitions. cyclomatic complexity: 49. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 271 states and 365 transitions. Complement of second has 11 states. [2021-08-27 15:19:52,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2021-08-27 15:19:52,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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) [2021-08-27 15:19:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 76 transitions. [2021-08-27 15:19:52,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 5 letters. [2021-08-27 15:19:52,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:52,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 26 letters. Loop has 5 letters. [2021-08-27 15:19:52,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:52,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 76 transitions. Stem has 21 letters. Loop has 10 letters. [2021-08-27 15:19:52,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-08-27 15:19:52,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 271 states and 365 transitions. [2021-08-27 15:19:52,387 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 17 [2021-08-27 15:19:52,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 271 states to 174 states and 233 transitions. [2021-08-27 15:19:52,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-08-27 15:19:52,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-08-27 15:19:52,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 233 transitions. [2021-08-27 15:19:52,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:52,388 INFO L681 BuchiCegarLoop]: Abstraction has 174 states and 233 transitions. [2021-08-27 15:19:52,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 233 transitions. [2021-08-27 15:19:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2021-08-27 15:19:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 122 states have (on average 1.3360655737704918) internal successors, (163), 121 states have internal predecessors, (163), 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) [2021-08-27 15:19:52,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 163 transitions. [2021-08-27 15:19:52,392 INFO L704 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2021-08-27 15:19:52,392 INFO L587 BuchiCegarLoop]: Abstraction has 122 states and 163 transitions. [2021-08-27 15:19:52,392 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-08-27 15:19:52,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states and 163 transitions. [2021-08-27 15:19:52,393 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:52,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:52,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:52,393 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, 1, 1, 1, 1, 1] [2021-08-27 15:19:52,393 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:52,394 INFO L791 eck$LassoCheckResult]: Stem: 2574#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2549#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2545#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2546#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2558#L65 assume parse_expression_list_#t~switch7; 2618#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2616#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2614#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2612#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2610#L67 assume 34 == parse_expression_list_#t~mem12;havoc parse_expression_list_#t~mem12;parse_expression_list_#t~post13 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post13;havoc parse_expression_list_#t~post13; 2609#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2608#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2607#L69-1 assume !parse_expression_list_#t~short17; 2606#L69-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 2605#L69-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 2604#L70 assume !parse_expression_list_#t~short20; 2603#L70-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 2602#L70-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 2601#L41 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2600#L14 assume !(0 == __VERIFIER_assert_~cond); 2599#L14-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2598#L71 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2597#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2596#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2595#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 2594#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2592#L65 assume parse_expression_list_#t~switch7; 2555#L66-5 [2021-08-27 15:19:52,394 INFO L793 eck$LassoCheckResult]: Loop: 2555#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2591#L66-1 assume parse_expression_list_#t~short10; 2554#L66-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 2555#L66-5 [2021-08-27 15:19:52,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1008934689, now seen corresponding path program 1 times [2021-08-27 15:19:52,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831128754] [2021-08-27 15:19:52,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:52,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:52,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:52,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831128754] [2021-08-27 15:19:52,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831128754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:52,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:52,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-27 15:19:52,442 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210803272] [2021-08-27 15:19:52,442 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:52,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,443 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 4 times [2021-08-27 15:19:52,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406432664] [2021-08-27 15:19:52,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,453 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 15:19:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-27 15:19:52,504 INFO L87 Difference]: Start difference. First operand 122 states and 163 transitions. cyclomatic complexity: 50 Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2021-08-27 15:19:52,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:52,616 INFO L93 Difference]: Finished difference Result 189 states and 249 transitions. [2021-08-27 15:19:52,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 15:19:52,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 189 states and 249 transitions. [2021-08-27 15:19:52,618 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:52,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 189 states to 156 states and 205 transitions. [2021-08-27 15:19:52,619 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-08-27 15:19:52,619 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-08-27 15:19:52,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 156 states and 205 transitions. [2021-08-27 15:19:52,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:52,619 INFO L681 BuchiCegarLoop]: Abstraction has 156 states and 205 transitions. [2021-08-27 15:19:52,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states and 205 transitions. [2021-08-27 15:19:52,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 126. [2021-08-27 15:19:52,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 125 states have internal predecessors, (168), 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) [2021-08-27 15:19:52,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 168 transitions. [2021-08-27 15:19:52,622 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 168 transitions. [2021-08-27 15:19:52,622 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 168 transitions. [2021-08-27 15:19:52,622 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-08-27 15:19:52,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 168 transitions. [2021-08-27 15:19:52,623 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-08-27 15:19:52,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:52,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:52,624 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, 1, 1, 1, 1, 1] [2021-08-27 15:19:52,624 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:52,624 INFO L791 eck$LassoCheckResult]: Stem: 2902#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 2877#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 2873#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 2874#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2886#L65 assume parse_expression_list_#t~switch7; 2945#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2944#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 2943#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 2942#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 2941#L67 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 2940#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 2939#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 2938#L69-1 assume !parse_expression_list_#t~short17; 2937#L69-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 2936#L69-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 2935#L70 assume !parse_expression_list_#t~short20; 2934#L70-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 2933#L70-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 2932#L41 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 2931#L14 assume !(0 == __VERIFIER_assert_~cond); 2930#L14-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 2929#L71 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 2928#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 2926#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 2924#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 2922#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 2919#L65 assume parse_expression_list_#t~switch7; 2883#L66-5 [2021-08-27 15:19:52,624 INFO L793 eck$LassoCheckResult]: Loop: 2883#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 2898#L66-1 assume parse_expression_list_#t~short10; 2882#L66-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 2883#L66-5 [2021-08-27 15:19:52,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1291887901, now seen corresponding path program 1 times [2021-08-27 15:19:52,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960918619] [2021-08-27 15:19:52,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 15:19:52,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:52,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960918619] [2021-08-27 15:19:52,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960918619] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 15:19:52,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 15:19:52,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-27 15:19:52,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458447028] [2021-08-27 15:19:52,672 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:52,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,672 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 5 times [2021-08-27 15:19:52,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248697165] [2021-08-27 15:19:52,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,675 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:52,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:52,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:52,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-27 15:19:52,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-27 15:19:52,725 INFO L87 Difference]: Start difference. First operand 126 states and 168 transitions. cyclomatic complexity: 51 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 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) [2021-08-27 15:19:52,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:52,800 INFO L93 Difference]: Finished difference Result 113 states and 150 transitions. [2021-08-27 15:19:52,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 15:19:52,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 113 states and 150 transitions. [2021-08-27 15:19:52,805 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:52,805 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 113 states to 100 states and 135 transitions. [2021-08-27 15:19:52,805 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-08-27 15:19:52,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-08-27 15:19:52,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 135 transitions. [2021-08-27 15:19:52,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-08-27 15:19:52,806 INFO L681 BuchiCegarLoop]: Abstraction has 100 states and 135 transitions. [2021-08-27 15:19:52,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 135 transitions. [2021-08-27 15:19:52,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2021-08-27 15:19:52,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.34375) internal successors, (129), 95 states have internal predecessors, (129), 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) [2021-08-27 15:19:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2021-08-27 15:19:52,808 INFO L704 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-08-27 15:19:52,808 INFO L587 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-08-27 15:19:52,808 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-08-27 15:19:52,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2021-08-27 15:19:52,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-08-27 15:19:52,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-27 15:19:52,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-27 15:19:52,809 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 15:19:52,809 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-27 15:19:52,809 INFO L791 eck$LassoCheckResult]: Stem: 3153#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(43); 3127#L-1 havoc main_#res;havoc main_#t~ret23, main_~#A~0.base, main_~#A~0.offset;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(9);call write~int(0, main_~#A~0.base, 8 + main_~#A~0.offset, 1);parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset := main_~#A~0.base, main_~#A~0.offset;havoc parse_expression_list_#res;havoc parse_expression_list_#t~post5, parse_expression_list_#t~mem6, parse_expression_list_#t~switch7, parse_expression_list_#t~post11, parse_expression_list_#t~mem8, parse_expression_list_#t~mem9, parse_expression_list_#t~short10, parse_expression_list_#t~mem12, parse_expression_list_#t~post13, parse_expression_list_#t~post18, parse_expression_list_#t~mem14, parse_expression_list_#t~mem15, parse_expression_list_#t~short16, parse_expression_list_#t~short17, parse_expression_list_#t~mem19, parse_expression_list_#t~short20, parse_expression_list_#t~post21, parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset, parse_expression_list_#t~mem4, parse_expression_list_~str.base, parse_expression_list_~str.offset, parse_expression_list_~start~0, parse_expression_list_~i~0, parse_expression_list_~j~0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset;parse_expression_list_~str.base, parse_expression_list_~str.offset := parse_expression_list_#in~str.base, parse_expression_list_#in~str.offset;parse_expression_list_~start~0 := 0;parse_expression_list_~i~0 := -1;parse_expression_list_~j~0 := -1;call parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset := #Ultimate.allocOnStack(2); 3123#L61 assume !(parse_expression_list_~str.base == 0 && parse_expression_list_~str.offset == 0); 3124#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3136#L65 assume !parse_expression_list_#t~switch7; 3210#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3146#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3147#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3206#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3205#L65 assume parse_expression_list_#t~switch7; 3204#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3203#L66-1 assume !parse_expression_list_#t~short10;call parse_expression_list_#t~mem9 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 9 == parse_expression_list_#t~mem9; 3202#L66-3 assume !parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10; 3200#L66-6 call parse_expression_list_#t~mem12 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1); 3198#L67 assume !(34 == parse_expression_list_#t~mem12);havoc parse_expression_list_#t~mem12; 3196#L67-2 parse_expression_list_~j~0 := parse_expression_list_~i~0 - 1; 3194#L69-8 parse_expression_list_#t~short17 := 0 < parse_expression_list_~j~0; 3184#L69-1 assume !parse_expression_list_#t~short17; 3181#L69-6 assume !parse_expression_list_#t~short17;havoc parse_expression_list_#t~mem14;havoc parse_expression_list_#t~mem15;havoc parse_expression_list_#t~short16;havoc parse_expression_list_#t~short17; 3154#L69-9 parse_expression_list_#t~short20 := 0 < parse_expression_list_~j~0; 3155#L70 assume !parse_expression_list_#t~short20; 3169#L70-2 assume !parse_expression_list_#t~short20;havoc parse_expression_list_#t~mem19;havoc parse_expression_list_#t~short20; 3144#L70-4 assume parse_expression_list_~start~0 <= parse_expression_list_~j~0;r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset, r_strncpy_#in~src.base, r_strncpy_#in~src.offset, r_strncpy_#in~n := parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset, parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0);havoc r_strncpy_#res.base, r_strncpy_#res.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset, r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n;r_strncpy_~dest.base, r_strncpy_~dest.offset := r_strncpy_#in~dest.base, r_strncpy_#in~dest.offset;r_strncpy_~src.base, r_strncpy_~src.offset := r_strncpy_#in~src.base, r_strncpy_#in~src.offset;r_strncpy_~n := r_strncpy_#in~n;call r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset := strncpy(r_strncpy_~dest.base, r_strncpy_~dest.offset, r_strncpy_~src.base, r_strncpy_~src.offset, r_strncpy_~n);r_strncpy_#res.base, r_strncpy_#res.offset := r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset;havoc r_strncpy_#t~ret3.base, r_strncpy_#t~ret3.offset; 3145#L41 parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset := r_strncpy_#res.base, r_strncpy_#res.offset;havoc parse_expression_list_#t~ret22.base, parse_expression_list_#t~ret22.offset;__VERIFIER_assert_#in~cond := (if 1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0) < 2 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 3158#L14 assume !(0 == __VERIFIER_assert_~cond); 3143#L14-2 call write~int(0, parse_expression_list_~#str2~0.base, parse_expression_list_~#str2~0.offset + (1 + (parse_expression_list_~j~0 - parse_expression_list_~start~0)), 1); 3125#L71 parse_expression_list_~start~0 := 1 + parse_expression_list_~i~0; 3126#L64 havoc parse_expression_list_#t~mem6;havoc parse_expression_list_#t~switch7; 3177#L62-1 call parse_expression_list_#t~mem4 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1); 3175#L62-2 assume !!(0 != parse_expression_list_#t~mem4);havoc parse_expression_list_#t~mem4; 3173#L62-4 parse_expression_list_#t~post5 := parse_expression_list_~i~0;parse_expression_list_~i~0 := 1 + parse_expression_list_#t~post5;havoc parse_expression_list_#t~post5;call parse_expression_list_#t~mem6 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~i~0, 1);parse_expression_list_#t~switch7 := 0 == parse_expression_list_#t~mem6; 3170#L65 assume parse_expression_list_#t~switch7; 3133#L66-5 [2021-08-27 15:19:52,809 INFO L793 eck$LassoCheckResult]: Loop: 3133#L66-5 call parse_expression_list_#t~mem8 := read~int(parse_expression_list_~str.base, parse_expression_list_~str.offset + parse_expression_list_~start~0, 1);parse_expression_list_#t~short10 := 32 == parse_expression_list_#t~mem8; 3148#L66-1 assume parse_expression_list_#t~short10; 3132#L66-3 assume !!parse_expression_list_#t~short10;havoc parse_expression_list_#t~mem8;havoc parse_expression_list_#t~mem9;havoc parse_expression_list_#t~short10;parse_expression_list_#t~post11 := parse_expression_list_~start~0;parse_expression_list_~start~0 := 1 + parse_expression_list_#t~post11;havoc parse_expression_list_#t~post11; 3133#L66-5 [2021-08-27 15:19:52,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:52,810 INFO L82 PathProgramCache]: Analyzing trace with hash -822771673, now seen corresponding path program 1 times [2021-08-27 15:19:52,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:52,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437831039] [2021-08-27 15:19:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 15:19:52,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 15:19:52,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437831039] [2021-08-27 15:19:52,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437831039] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:52,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186316245] [2021-08-27 15:19:52,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:52,895 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 15:19:52,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 15:19:52,896 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 15:19:52,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2021-08-27 15:19:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 15:19:53,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 14 conjunts are in the unsatisfiable core [2021-08-27 15:19:53,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 15:19:53,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-08-27 15:19:53,235 INFO L354 Elim1Store]: treesize reduction 43, result has 17.3 percent of original size [2021-08-27 15:19:53,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2021-08-27 15:19:53,340 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-08-27 15:19:53,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 14 [2021-08-27 15:19:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-27 15:19:53,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186316245] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-27 15:19:53,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 15:19:53,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 10 [2021-08-27 15:19:53,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660598768] [2021-08-27 15:19:53,351 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-08-27 15:19:53,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 15:19:53,351 INFO L82 PathProgramCache]: Analyzing trace with hash 48762, now seen corresponding path program 6 times [2021-08-27 15:19:53,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 15:19:53,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147080220] [2021-08-27 15:19:53,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 15:19:53,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 15:19:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:53,356 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-27 15:19:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-27 15:19:53,358 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-27 15:19:53,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 15:19:53,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 15:19:53,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-08-27 15:19:53,412 INFO L87 Difference]: Start difference. First operand 96 states and 129 transitions. cyclomatic complexity: 40 Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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) [2021-08-27 15:19:53,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 15:19:53,533 INFO L93 Difference]: Finished difference Result 72 states and 92 transitions. [2021-08-27 15:19:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-27 15:19:53,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 92 transitions. [2021-08-27 15:19:53,534 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:19:53,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 0 states and 0 transitions. [2021-08-27 15:19:53,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-08-27 15:19:53,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-08-27 15:19:53,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-08-27 15:19:53,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-27 15:19:53,534 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:19:53,534 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:19:53,534 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 15:19:53,534 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-08-27 15:19:53,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-08-27 15:19:53,534 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-27 15:19:53,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-27 15:19:53,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.08 03:19:53 BoogieIcfgContainer [2021-08-27 15:19:53,539 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-08-27 15:19:53,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 15:19:53,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 15:19:53,540 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 15:19:53,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 03:19:38" (3/4) ... [2021-08-27 15:19:53,542 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 15:19:53,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 15:19:53,543 INFO L168 Benchmark]: Toolchain (without parser) took 16038.60 ms. Allocated memory was 54.5 MB in the beginning and 251.7 MB in the end (delta: 197.1 MB). Free memory was 33.0 MB in the beginning and 159.2 MB in the end (delta: -126.2 MB). Peak memory consumption was 69.8 MB. Max. memory is 16.1 GB. [2021-08-27 15:19:53,543 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:19:53,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.24 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 37.0 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 15:19:53,544 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 35.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:19:53,544 INFO L168 Benchmark]: Boogie Preprocessor took 31.08 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 15:19:53,544 INFO L168 Benchmark]: RCFGBuilder took 500.18 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 38.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:19:53,544 INFO L168 Benchmark]: BuchiAutomizer took 15212.40 ms. Allocated memory was 67.1 MB in the beginning and 251.7 MB in the end (delta: 184.5 MB). Free memory was 38.7 MB in the beginning and 159.2 MB in the end (delta: -120.5 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2021-08-27 15:19:53,544 INFO L168 Benchmark]: Witness Printer took 2.67 ms. Allocated memory is still 251.7 MB. Free memory is still 159.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 15:19:53,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 54.5 MB. Free memory was 36.4 MB in the beginning and 36.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 250.24 ms. Allocated memory is still 54.5 MB. Free memory was 32.7 MB in the beginning and 37.0 MB in the end (delta: -4.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.97 ms. Allocated memory is still 54.5 MB. Free memory was 37.0 MB in the beginning and 35.3 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.08 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 33.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 500.18 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 33.7 MB in the beginning and 38.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 15212.40 ms. Allocated memory was 67.1 MB in the beginning and 251.7 MB in the end (delta: 184.5 MB). Free memory was 38.7 MB in the beginning and 159.2 MB in the end (delta: -120.5 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. * Witness Printer took 2.67 ms. Allocated memory is still 251.7 MB. Free memory is still 159.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (7 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * str + unknown-#length-unknown[str] + -1 * i and consists of 4 locations. One deterministic module has affine ranking function 10 * i + -1 * "0" + -1 * start and consists of 9 locations. One deterministic module has affine ranking function -1 * str + unknown-#length-unknown[str] + -1 * start and consists of 4 locations. One deterministic module has affine ranking function j and consists of 6 locations. 7 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.1s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 12.7s. Construction of modules took 0.4s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 10. Automata minimization 60.6ms AutomataMinimizationTime, 10 MinimizatonAttempts, 299 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 9. Nontrivial modules had stage [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 361 SDtfs, 704 SDslu, 665 SDs, 0 SdLazy, 615 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 496.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU3 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital228 mio100 ax100 hnf99 lsp92 ukn63 mio100 lsp41 div100 bol100 ite100 ukn100 eq193 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 2 VariablesLoop: 1 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2021-08-27 15:19:53,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Forceful destruction successful, exit code 0 [2021-08-27 15:19:53,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2021-08-27 15:19:53,983 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...